38712173550 has 48 divisors (see below), whose sum is σ = 96018913920. Its totient is φ = 10321878240.

The previous prime is 38712173501. The next prime is 38712173623. The reversal of 38712173550 is 5537121783.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1674369 + ... + 1697331.

It is an arithmetic number, because the mean of its divisors is an integer number (2000394040).

Almost surely, 2^38712173550 is an apocalyptic number.

38712173550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38712173550 is an abundant number, since it is smaller than the sum of its proper divisors (57306740370).

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

38712173550 is a wasteful number, since it uses less digits than its factorization.

38712173550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34217 (or 34212 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 38712173550 in words is "thirty-eight billion, seven hundred twelve million, one hundred seventy-three thousand, five hundred fifty".