40657470512 has 20 divisors (see below), whose sum is σ = 79470966360. Its totient is φ = 20148834048.

The previous prime is 40657470509. The next prime is 40657470533. The reversal of 40657470512 is 21507475604.

It is a self number, because there is not a number n which added to its sum of digits gives 40657470512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11241962 + ... + 11245577.

It is an arithmetic number, because the mean of its divisors is an integer number (3973548318).

Almost surely, 2^40657470512 is an apocalyptic number.

It is an amenable number.

40657470512 is a deficient number, since it is larger than the sum of its proper divisors (38813495848).

40657470512 is a wasteful number, since it uses less digits than its factorization.

40657470512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487660 (or 22487654 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 40657470512 in words is "forty billion, six hundred fifty-seven million, four hundred seventy thousand, five hundred twelve".