40000162657 has 12 divisors (see below), whose sum is σ = 49501470720. Its totient is φ = 31648479408.

The previous prime is 40000162639. The next prime is 40000162669. The reversal of 40000162657 is 75626100004.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40000162657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40000112657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16905057 + ... + 16907422.

It is an arithmetic number, because the mean of its divisors is an integer number (4125122560).

Almost surely, 2^40000162657 is an apocalyptic number.

It is an amenable number.

40000162657 is a deficient number, since it is larger than the sum of its proper divisors (9501308063).

40000162657 is a wasteful number, since it uses less digits than its factorization.

40000162657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33812512 (or 33812499 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 40000162657 in words is "forty billion, one hundred sixty-two thousand, six hundred fifty-seven".