38520048357 has 24 divisors (see below), whose sum is σ = 63602745024. Its totient is φ = 22006577664.

The previous prime is 38520048337. The next prime is 38520048377. The reversal of 38520048357 is 75384002583.

38520048357 is a `hidden beast` number, since 38 + 520 + 0 + 48 + 3 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (38520048337) and next prime (38520048377).

It is not a de Polignac number, because 38520048357 - 2⁸ = 38520048101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520048337) 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, 228978 + ... + 359820.

It is an arithmetic number, because the mean of its divisors is an integer number (2650114376).

Almost surely, 2^38520048357 is an apocalyptic number.

38520048357 is the 98133-rd decagonal number.

It is an amenable number.

38520048357 is a deficient number, since it is larger than the sum of its proper divisors (25082696667).

38520048357 is a wasteful number, since it uses less digits than its factorization.

38520048357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135529 (or 135526 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 38520048357 in words is "thirty-eight billion, five hundred twenty million, forty-eight thousand, three hundred fifty-seven".