38720173332 has 24 divisors (see below), whose sum is σ = 91175946400. Its totient is φ = 12788313696.

The previous prime is 38720173277. The next prime is 38720173337. The reversal of 38720173332 is 23337102783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720173337) 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 7 ways as a sum of consecutive naturals, for example, 14799982 + ... + 14802597.

Almost surely, 2^38720173332 is an apocalyptic number.

It is an amenable number.

38720173332 is an abundant number, since it is smaller than the sum of its proper divisors (52455773068).

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

38720173332 is a wasteful number, since it uses less digits than its factorization.

38720173332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602695 (or 29602693 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 38720173332 in words is "thirty-eight billion, seven hundred twenty million, one hundred seventy-three thousand, three hundred thirty-two".