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40700237240 = 23513463169049
BaseRepresentation
bin100101111001111011…
…000101010110111000
310220001110200021102002
4211321323011112320
51131323230042430
630410351200132
72640406210535
oct457173052670
9126043607362
1040700237240
111629624a703
127a7a516048
133ab8175920
141d815a7d8c
1510d3204845
hex979ec55b8

40700237240 has 64 divisors (see below), whose sum is σ = 98833392000. Its totient is φ = 14995233792.

The previous prime is 40700237239. The next prime is 40700237261. The reversal of 40700237240 is 4273200704.

It is a super-2 number, since 2×407002372402 (a number of 22 digits) contains 22 as substring.

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, 156236 + ... + 325284.

It is an arithmetic number, because the mean of its divisors is an integer number (1544271750).

Almost surely, 240700237240 is an apocalyptic number.

40700237240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40700237240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49416696000).

40700237240 is an abundant number, since it is smaller than the sum of its proper divisors (58133154760).

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

40700237240 is a wasteful number, since it uses less digits than its factorization.

40700237240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169536 (or 169532 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

Adding to 40700237240 its reverse (4273200704), we get a palindrome (44973437944).

The spelling of 40700237240 in words is "forty billion, seven hundred million, two hundred thirty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 463 520 926 1852 2315 3704 4630 6019 9260 12038 18520 24076 30095 48152 60190 120380 169049 240760 338098 676196 845245 1352392 1690490 2197637 3380980 4395274 6761960 8790548 10988185 17581096 21976370 43952740 78269687 87905480 156539374 313078748 391348435 626157496 782696870 1017505931 1565393740 2035011862 3130787480 4070023724 5087529655 8140047448 10175059310 20350118620 40700237240