38449523655 has 24 divisors (see below), whose sum is σ = 68447082912. Its totient is φ = 19952184384.

The previous prime is 38449523587. The next prime is 38449523669. The reversal of 38449523655 is 55632594483.

It is a happy number.

38449523655 is a `hidden beast` number, since 3 + 84 + 495 + 23 + 6 + 55 = 666.

It is not a de Polignac number, because 38449523655 - 2²⁷ = 38315305927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11544739 + ... + 11548068.

It is an arithmetic number, because the mean of its divisors is an integer number (2851961788).

Almost surely, 2^38449523655 is an apocalyptic number.

38449523655 is a deficient number, since it is larger than the sum of its proper divisors (29997559257).

38449523655 is a wasteful number, since it uses less digits than its factorization.

38449523655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23092855 (or 23092852 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 38449523655 in words is "thirty-eight billion, four hundred forty-nine million, five hundred twenty-three thousand, six hundred fifty-five".