38404806957 has 12 divisors (see below), whose sum is σ = 60516665664. Its totient is φ = 23275640520.

The previous prime is 38404806893. The next prime is 38404806967. The reversal of 38404806957 is 75960840483.

38404806957 is a `hidden beast` number, since 38 + 40 + 480 + 6 + 95 + 7 = 666.

38404806957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38404806957 - 2⁶ = 38404806893 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404806967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193963573 + ... + 193963770.

It is an arithmetic number, because the mean of its divisors is an integer number (5043055472).

Almost surely, 2^38404806957 is an apocalyptic number.

It is an amenable number.

38404806957 is a deficient number, since it is larger than the sum of its proper divisors (22111858707).

38404806957 is a wasteful number, since it uses less digits than its factorization.

38404806957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387927360 (or 387927357 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 38404806957 in words is "thirty-eight billion, four hundred four million, eight hundred six thousand, nine hundred fifty-seven".