38931954550 has 24 divisors (see below), whose sum is σ = 72419746536. Its totient is φ = 15571424640.

The previous prime is 38931954533. The next prime is 38931954553. The reversal of 38931954550 is 5545913983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38931954553) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 704734 + ... + 757966.

It is an arithmetic number, because the mean of its divisors is an integer number (3017489439).

Almost surely, 2^38931954550 is an apocalyptic number.

38931954550 is a deficient number, since it is larger than the sum of its proper divisors (33487791986).

38931954550 is a wasteful number, since it uses less digits than its factorization.

38931954550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67872 (or 67867 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 38931954550 in words is "thirty-eight billion, nine hundred thirty-one million, nine hundred fifty-four thousand, five hundred fifty".