38397815004 has 48 divisors (see below), whose sum is σ = 89954242560. Its totient is φ = 12748034880.

The previous prime is 38397814981. The next prime is 38397815009. The reversal of 38397815004 is 40051879383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38397815009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462789 + ... + 3473859.

It is an arithmetic number, because the mean of its divisors is an integer number (1874046720).

Almost surely, 2^38397815004 is an apocalyptic number.

It is an amenable number.

38397815004 is an abundant number, since it is smaller than the sum of its proper divisors (51556427556).

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

38397815004 is a wasteful number, since it uses less digits than its factorization.

38397815004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210 (or 12208 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 38397815004 in words is "thirty-eight billion, three hundred ninety-seven million, eight hundred fifteen thousand, four".