38456319057 has 16 divisors (see below), whose sum is σ = 55735404480. Its totient is φ = 23444252352.

The previous prime is 38456318993. The next prime is 38456319059. The reversal of 38456319057 is 75091365483.

It is not a de Polignac number, because 38456319057 - 2⁶ = 38456318993 is a prime.

It is a super-4 number, since 4×38456319057⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (38456319059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4603582 + ... + 4611927.

It is an arithmetic number, because the mean of its divisors is an integer number (3483462780).

Almost surely, 2^38456319057 is an apocalyptic number.

It is an amenable number.

38456319057 is a deficient number, since it is larger than the sum of its proper divisors (17279085423).

38456319057 is a wasteful number, since it uses less digits than its factorization.

38456319057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215632.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 38456319057 in words is "thirty-eight billion, four hundred fifty-six million, three hundred nineteen thousand, fifty-seven".