38503904257 has 24 divisors (see below), whose sum is σ = 48937690176. Its totient is φ = 29641225536.

The previous prime is 38503904209. The next prime is 38503904269. The reversal of 38503904257 is 75240930583.

It is not a de Polignac number, because 38503904257 - 2²⁷ = 38369686529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38503904057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396063 + ... + 483604.

It is an arithmetic number, because the mean of its divisors is an integer number (2039070424).

Almost surely, 2^38503904257 is an apocalyptic number.

38503904257 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38503904257 is a deficient number, since it is larger than the sum of its proper divisors (10433785919).

38503904257 is a wasteful number, since it uses less digits than its factorization.

38503904257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879737 (or 879724 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 38503904257 in words is "thirty-eight billion, five hundred three million, nine hundred four thousand, two hundred fifty-seven".