38401651564 has 24 divisors (see below), whose sum is σ = 70746368000. Its totient is φ = 18188588880.

The previous prime is 38401651553. The next prime is 38401651571. The reversal of 38401651564 is 46515610483.

It is a self number, because there is not a number n which added to its sum of digits gives 38401651564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323169 + ... + 1351879.

Almost surely, 2^38401651564 is an apocalyptic number.

It is an amenable number.

38401651564 is a deficient number, since it is larger than the sum of its proper divisors (32344716436).

38401651564 is a wasteful number, since it uses less digits than its factorization.

38401651564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46333 (or 46331 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 38401651564 in words is "thirty-eight billion, four hundred one million, six hundred fifty-one thousand, five hundred sixty-four".