38988614784 has 192 divisors, whose sum is σ = 123412615200. Its totient is φ = 10867691520.

The previous prime is 38988614771. The next prime is 38988614807. The reversal of 38988614784 is 48741688983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×38988614784² (a number of 22 digits) contains 22 as substring.

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, 746187 + ... + 796725.

Almost surely, 2^38988614784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38988614784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61706307600).

38988614784 is an abundant number, since it is smaller than the sum of its proper divisors (84424000416).

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

38988614784 is a wasteful number, since it uses less digits than its factorization.

38988614784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50611 (or 50592 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 66.

The spelling of 38988614784 in words is "thirty-eight billion, nine hundred eighty-eight million, six hundred fourteen thousand, seven hundred eighty-four".