38640546324 has 36 divisors (see below), whose sum is σ = 99132552064. Its totient is φ = 12687939792.

The previous prime is 38640546313. The next prime is 38640546379. The reversal of 38640546324 is 42364504683.

38640546324 is a `hidden beast` number, since 3 + 8 + 6 + 4 + 0 + 5 + 4 + 632 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 38640546324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8007652 + ... + 8012475.

Almost surely, 2^38640546324 is an apocalyptic number.

It is an amenable number.

38640546324 is an abundant number, since it is smaller than the sum of its proper divisors (60492005740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38640546324 is a wasteful number, since it uses less digits than its factorization.

38640546324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16020204 (or 16020199 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 38640546324 in words is "thirty-eight billion, six hundred forty million, five hundred forty-six thousand, three hundred twenty-four".