38403457024 has 45 divisors (see below), whose sum is σ = 76854769131. Its totient is φ = 19189186560.

The previous prime is 38403456989. The next prime is 38403457033. The reversal of 38403457024 is 42075430483.

It is a happy number.

The square root of 38403457024 is 195968.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×38403457024² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25083139 + ... + 25084669.

Almost surely, 2^38403457024 is an apocalyptic number.

38403457024 is the 195968-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38403457024

38403457024 is an abundant number, since it is smaller than the sum of its proper divisors (38451312107).

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

38403457024 is an frugal number, since it uses more digits than its factorization.

38403457024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 38403457024 in words is "thirty-eight billion, four hundred three million, four hundred fifty-seven thousand, twenty-four".