38380638772 has 12 divisors (see below), whose sum is σ = 76761277600. Its totient is φ = 16448845176.

The previous prime is 38380638763. The next prime is 38380638811. The reversal of 38380638772 is 27783608383.

38380638772 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685368522 + ... + 685368577.

Almost surely, 2^38380638772 is an apocalyptic number.

It is an amenable number.

38380638772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38380638772 is a wasteful number, since it uses less digits than its factorization.

38380638772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370737110 (or 1370737108 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 38380638772 in words is "thirty-eight billion, three hundred eighty million, six hundred thirty-eight thousand, seven hundred seventy-two".