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40887979599936 = 263723723174643
BaseRepresentation
bin10010100101111111110010…
…11111111110100001000000
312100202212000121012111120110
421102333321133332201000
520324402040234144221
6222543402320511320
711420026152104100
oct1122777137764100
9170685017174513
1040887979599936
111203454959a437
12470444577b540
1319a79488c87c1
14a14dbb293200
154ad8cbce8776
hex252ff97fe840

40887979599936 has 252 divisors, whose sum is σ = 129338463271248. Its totient is φ = 11366539011072.

The previous prime is 40887979599923. The next prime is 40887979599953. The reversal of 40887979599936 is 63999597978804.

It is a super-2 number, since 2×408879795999362 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40887979599936.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11292231 + ... + 14466873.

It is an arithmetic number, because the mean of its divisors is an integer number (513247870124).

Almost surely, 240887979599936 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 40887979599936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64669231635624).

40887979599936 is an abundant number, since it is smaller than the sum of its proper divisors (88450483671312).

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

40887979599936 is a wasteful number, since it uses less digits than its factorization.

40887979599936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174746 (or 3174692 counting only the distinct ones).

The product of its (nonzero) digits is 66663959040, while the sum is 93.

The spelling of 40887979599936 in words is "forty trillion, eight hundred eighty-seven billion, nine hundred seventy-nine million, five hundred ninety-nine thousand, nine hundred thirty-six".