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455050050440 = 23571757211663
BaseRepresentation
bin1101001111100110001…
…10001011101110001000
31121111120012221200110212
412213303012023232020
524423420303103230
6545014101500252
744606364415616
oct6476306135610
91544505850425
10455050050440
11165a92988057
1274237411688
1333bac711c9b
141804b4a26b6
15bc847ce895
hex69f318bb88

455050050440 has 64 divisors (see below), whose sum is σ = 1039659701760. Its totient is φ = 179218448640.

The previous prime is 455050050431. The next prime is 455050050467. The reversal of 455050050440 is 44050050554.

It is a junction number, because it is equal to n+sod(n) for n = 455050050397 and 455050050406.

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, 2044049 + ... + 2255711.

It is an arithmetic number, because the mean of its divisors is an integer number (16244682840).

Almost surely, 2455050050440 is an apocalyptic number.

455050050440 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 455050050440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519829850880).

455050050440 is an abundant number, since it is smaller than the sum of its proper divisors (584609651320).

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

455050050440 is a wasteful number, since it uses less digits than its factorization.

455050050440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212502 (or 212498 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 455050050440 in words is "four hundred fifty-five billion, fifty million, fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 757 1420 1514 2840 3028 3785 6056 7570 15140 30280 53747 107494 211663 214988 268735 423326 429976 537470 846652 1058315 1074940 1693304 2116630 2149880 4233260 8466520 15028073 30056146 60112292 75140365 120224584 150280730 160228891 300561460 320457782 601122920 640915564 801144455 1281831128 1602288910 3204577820 6409155640 11376251261 22752502522 45505005044 56881256305 91010010088 113762512610 227525025220 455050050440