38567540421 has 32 divisors (see below), whose sum is σ = 58616784000. Its totient is φ = 25053719040.

The previous prime is 38567540413. The next prime is 38567540441. The reversal of 38567540421 is 12404576583.

38567540421 is a `hidden beast` number, since 3 + 8 + 5 + 67 + 540 + 42 + 1 = 666.

It is not a de Polignac number, because 38567540421 - 2³ = 38567540413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38567540411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66805 + ... + 285653.

It is an arithmetic number, because the mean of its divisors is an integer number (1831774500).

Almost surely, 2^38567540421 is an apocalyptic number.

It is an amenable number.

38567540421 is a deficient number, since it is larger than the sum of its proper divisors (20049243579).

38567540421 is a wasteful number, since it uses less digits than its factorization.

38567540421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219026 (or 219020 counting only the distinct ones).

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

The spelling of 38567540421 in words is "thirty-eight billion, five hundred sixty-seven million, five hundred forty thousand, four hundred twenty-one".