38661444096 has 160 divisors (see below), whose sum is σ = 117246210048. Its totient is φ = 11206103040.

The previous prime is 38661444089. The next prime is 38661444097. The reversal of 38661444096 is 69044416683.

It is not an unprimeable number, because it can be changed into a prime (38661444097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338865 + ... + 438351.

Almost surely, 2^38661444096 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 38661444096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58623105024).

38661444096 is an abundant number, since it is smaller than the sum of its proper divisors (78584765952).

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

38661444096 is a wasteful number, since it uses less digits than its factorization.

38661444096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99542 (or 99526 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 38661444096 in words is "thirty-eight billion, six hundred sixty-one million, four hundred forty-four thousand, ninety-six".