38530802640 has 80 divisors (see below), whose sum is σ = 130304177856. Its totient is φ = 9340800000.

The previous prime is 38530802633. The next prime is 38530802657. The reversal of 38530802640 is 4620803583.

38530802640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294861 + ... + 7300140.

Almost surely, 2^38530802640 is an apocalyptic number.

38530802640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38530802640 is an abundant number, since it is smaller than the sum of its proper divisors (91773375216).

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

38530802640 is a wasteful number, since it uses less digits than its factorization.

38530802640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595028 (or 14595022 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 38530802640 in words is "thirty-eight billion, five hundred thirty million, eight hundred two thousand, six hundred forty".