38459145520 has 20 divisors (see below), whose sum is σ = 89417513520. Its totient is φ = 15383658176.

The previous prime is 38459145511. The next prime is 38459145539. The reversal of 38459145520 is 2554195483.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240369580 + ... + 240369739.

It is an arithmetic number, because the mean of its divisors is an integer number (4470875676).

Almost surely, 2^38459145520 is an apocalyptic number.

It is an amenable number.

38459145520 is an abundant number, since it is smaller than the sum of its proper divisors (50958368000).

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

38459145520 is a wasteful number, since it uses less digits than its factorization.

38459145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480739332 (or 480739326 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 38459145520 in words is "thirty-eight billion, four hundred fifty-nine million, one hundred forty-five thousand, five hundred twenty".