40546618372 has 24 divisors (see below), whose sum is σ = 77491052352. Its totient is φ = 18450247200.

The previous prime is 40546618363. The next prime is 40546618391. The reversal of 40546618372 is 27381664504.

It is a super-2 number, since 2×40546618372² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487454 + ... + 5494837.

It is an arithmetic number, because the mean of its divisors is an integer number (3228793848).

Almost surely, 2^40546618372 is an apocalyptic number.

It is an amenable number.

40546618372 is a deficient number, since it is larger than the sum of its proper divisors (36944433980).

40546618372 is a wasteful number, since it uses less digits than its factorization.

40546618372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10982379 (or 10982377 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 40546618372 in words is "forty billion, five hundred forty-six million, six hundred eighteen thousand, three hundred seventy-two".