38748715540 has 24 divisors (see below), whose sum is σ = 81390389472. Its totient is φ = 15496041120.

The previous prime is 38748715529. The next prime is 38748715541. The reversal of 38748715540 is 4551784783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38748715541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122106 + ... + 303985.

It is an arithmetic number, because the mean of its divisors is an integer number (3391266228).

Almost surely, 2^38748715540 is an apocalyptic number.

It is an amenable number.

38748715540 is an abundant number, since it is smaller than the sum of its proper divisors (42641673932).

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

38748715540 is a wasteful number, since it uses less digits than its factorization.

38748715540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430647 (or 430645 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 38748715540 in words is "thirty-eight billion, seven hundred forty-eight million, seven hundred fifteen thousand, five hundred forty".