38455994404 has 27 divisors (see below), whose sum is σ = 68308662513. Its totient is φ = 18943453200.

The previous prime is 38455994399. The next prime is 38455994413. The reversal of 38455994404 is 40449955483.

The square root of 38455994404 is 196102.

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

It can be written as a sum of positive squares in only one way, i.e., 17477368804 + 20978625600 = 132202^2 + 144840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27845794 + ... + 27847174.

Almost surely, 2^38455994404 is an apocalyptic number.

38455994404 is the 196102-nd square number.

It is an amenable number.

38455994404 is a deficient number, since it is larger than the sum of its proper divisors (29852668109).

38455994404 is an frugal number, since it uses more digits than its factorization.

38455994404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 38455994404 in words is "thirty-eight billion, four hundred fifty-five million, nine hundred ninety-four thousand, four hundred four".