38138989552 has 10 divisors (see below), whose sum is σ = 73894292288. Its totient is φ = 19069494768.

The previous prime is 38138989549. The next prime is 38138989573. The reversal of 38138989552 is 25598983183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191843408 + ... + 1191843439.

Almost surely, 2^38138989552 is an apocalyptic number.

It is an amenable number.

38138989552 is a deficient number, since it is larger than the sum of its proper divisors (35755302736).

38138989552 is a wasteful number, since it uses less digits than its factorization.

38138989552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383686855 (or 2383686849 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 61.

The spelling of 38138989552 in words is "thirty-eight billion, one hundred thirty-eight million, nine hundred eighty-nine thousand, five hundred fifty-two".