38440410372 has 144 divisors (see below), whose sum is σ = 121231393920. Its totient is φ = 9999189504.

The previous prime is 38440410313. The next prime is 38440410373. The reversal of 38440410372 is 27301404483.

38440410372 is a `hidden beast` number, since 3 + 84 + 404 + 103 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38440410373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158779 + ... + 319517.

It is an arithmetic number, because the mean of its divisors is an integer number (841884680).

Almost surely, 2^38440410372 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 38440410372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60615696960).

38440410372 is an abundant number, since it is smaller than the sum of its proper divisors (82790983548).

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

38440410372 is a wasteful number, since it uses less digits than its factorization.

38440410372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160842 (or 160837 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 38440410372 in words is "thirty-eight billion, four hundred forty million, four hundred ten thousand, three hundred seventy-two".