38725244390 has 48 divisors (see below), whose sum is σ = 82811201472. Its totient is φ = 12994724736.

The previous prime is 38725244351. The next prime is 38725244413. The reversal of 38725244390 is 9344252783.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817727 + ... + 863786.

It is an arithmetic number, because the mean of its divisors is an integer number (1725233364).

Almost surely, 2^38725244390 is an apocalyptic number.

38725244390 is an abundant number, since it is smaller than the sum of its proper divisors (44085957082).

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

38725244390 is a wasteful number, since it uses less digits than its factorization.

38725244390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681581 (or 1681574 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 38725244390 in words is "thirty-eight billion, seven hundred twenty-five million, two hundred forty-four thousand, three hundred ninety".