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40870311664252 = 2272552737727881
BaseRepresentation
bin10010100101011110111000…
…11010001001101001111100
312100201011102021212101011011
421102233130122021221330
520324104344241224002
6222531321215405004
711415532265115400
oct1122573432115174
9170634367771134
1040870311664252
11120280024a18a4
124700b34823764
1319a60914117a5
14a141c29c5100
154ad1e5b848d7
hex252bdc689a7c

40870311664252 has 36 divisors (see below), whose sum is σ = 83215332946704. Its totient is φ = 17512678249920.

The previous prime is 40870311664181. The next prime is 40870311664289. The reversal of 40870311664252 is 25246611307804.

It is a super-3 number, since 3×408703116642523 (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 40870311664196 and 40870311664205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17780649 + ... + 19947232.

Almost surely, 240870311664252 is an apocalyptic number.

It is an amenable number.

40870311664252 is an abundant number, since it is smaller than the sum of its proper divisors (42345021282452).

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

40870311664252 is a wasteful number, since it uses less digits than its factorization.

40870311664252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37733426 (or 37733417 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 40870311664252 in words is "forty trillion, eight hundred seventy billion, three hundred eleven million, six hundred sixty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 5527 11054 22108 38689 77378 154756 270823 541646 1083292 37727881 75455762 150911524 264095167 528190334 1056380668 1848666169 3697332338 7394664676 208521998287 417043996574 834087993148 1459653988009 2919307976018 5838615952036 10217577916063 20435155832126 40870311664252