38993544454 has 32 divisors (see below), whose sum is σ = 62367169536. Its totient is φ = 18241988160.

The previous prime is 38993544451. The next prime is 38993544461. The reversal of 38993544454 is 45444539983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38993544451) 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, 4927569 + ... + 4935475.

It is an arithmetic number, because the mean of its divisors is an integer number (1948974048).

Almost surely, 2^38993544454 is an apocalyptic number.

38993544454 is a deficient number, since it is larger than the sum of its proper divisors (23373625082).

38993544454 is a wasteful number, since it uses less digits than its factorization.

38993544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260.

The product of its digits is 37324800, while the sum is 58.

The spelling of 38993544454 in words is "thirty-eight billion, nine hundred ninety-three million, five hundred forty-four thousand, four hundred fifty-four".