38144086860 has 192 divisors, whose sum is σ = 122232499200. Its totient is φ = 8802124800.

The previous prime is 38144086853. The next prime is 38144086901. The reversal of 38144086860 is 6868044183.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1344906 + ... + 1372974.

It is an arithmetic number, because the mean of its divisors is an integer number (636627600).

Almost surely, 2^38144086860 is an apocalyptic number.

38144086860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38144086860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61116249600).

38144086860 is an abundant number, since it is smaller than the sum of its proper divisors (84088412340).

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

38144086860 is a wasteful number, since it uses less digits than its factorization.

38144086860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28192 (or 28190 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 38144086860 in words is "thirty-eight billion, one hundred forty-four million, eighty-six thousand, eight hundred sixty".