38681172880 has 160 divisors (see below), whose sum is σ = 106359264000. Its totient is φ = 12807438336.

The previous prime is 38681172877. The next prime is 38681172917. The reversal of 38681172880 is 8827118683.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2134096 + ... + 2152144.

It is an arithmetic number, because the mean of its divisors is an integer number (664745400).

Almost surely, 2^38681172880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38681172880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53179632000).

38681172880 is an abundant number, since it is smaller than the sum of its proper divisors (67678091120).

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

38681172880 is a wasteful number, since it uses less digits than its factorization.

38681172880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18201 (or 18195 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 38681172880 in words is "thirty-eight billion, six hundred eighty-one million, one hundred seventy-two thousand, eight hundred eighty".