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552315221440 = 26523421178249
BaseRepresentation
bin10000000100110001000…
…11010111010111000000
31221210121210112022121121
420002120203113113000
533022120144041230
61101421412002024
754621612631003
oct10023043272700
91853553468547
10552315221440
111a32655a86a4
128b061300314
1340110761cc8
141ca3722553a
15e5788a477a
hex80988d75c0

552315221440 has 112 divisors (see below), whose sum is σ = 1375650792000. Its totient is φ = 210817474560.

The previous prime is 552315221431. The next prime is 552315221453. The reversal of 552315221440 is 44122513255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 552315221396 and 552315221405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3009436 + ... + 3187684.

Almost surely, 2552315221440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552315221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687825396000).

552315221440 is an abundant number, since it is smaller than the sum of its proper divisors (823335570560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552315221440 is a wasteful number, since it uses less digits than its factorization.

552315221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178710 (or 178700 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 552315221440 its reverse (44122513255), we get a palindrome (596437734695).

The spelling of 552315221440 in words is "five hundred fifty-two billion, three hundred fifteen million, two hundred twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 160 184 230 320 368 421 460 736 842 920 1472 1684 1840 2105 3368 3680 4210 6736 7360 8420 9683 13472 16840 19366 26944 33680 38732 48415 67360 77464 96830 134720 154928 178249 193660 309856 356498 387320 619712 712996 774640 891245 1425992 1549280 1782490 2851984 3098560 3564980 4099727 5703968 7129960 8199454 11407936 14259920 16398908 20498635 28519840 32797816 40997270 57039680 65595632 75042829 81994540 131191264 150085658 163989080 262382528 300171316 327978160 375214145 600342632 655956320 750428290 1200685264 1311912640 1500856580 1725985067 2401370528 3001713160 3451970134 4802741056 6003426320 6903940268 8629925335 12006852640 13807880536 17259850670 24013705280 27615761072 34519701340 55231522144 69039402680 110463044288 138078805360 276157610720 552315221440