38942617490 has 16 divisors (see below), whose sum is σ = 80110527552. Its totient is φ = 13351754544.

The previous prime is 38942617423. The next prime is 38942617561. The reversal of 38942617490 is 9471624983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278161484 + ... + 278161623.

It is an arithmetic number, because the mean of its divisors is an integer number (5006907972).

Almost surely, 2^38942617490 is an apocalyptic number.

38942617490 is an abundant number, since it is smaller than the sum of its proper divisors (41167910062).

38942617490 is a wasteful number, since it uses less digits than its factorization.

38942617490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556323121.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 38942617490 in words is "thirty-eight billion, nine hundred forty-two million, six hundred seventeen thousand, four hundred ninety".