38894732742 has 16 divisors (see below), whose sum is σ = 77792489712. Its totient is φ = 12964406880.

The previous prime is 38894732713. The next prime is 38894732759. The reversal of 38894732742 is 24723749883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62992 + ... + 285932.

It is an arithmetic number, because the mean of its divisors is an integer number (4862030607).

Almost surely, 2^38894732742 is an apocalyptic number.

38894732742 is an abundant number, since it is smaller than the sum of its proper divisors (38897756970).

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

38894732742 is a wasteful number, since it uses less digits than its factorization.

38894732742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252023.

The product of its digits is 16257024, while the sum is 57.

The spelling of 38894732742 in words is "thirty-eight billion, eight hundred ninety-four million, seven hundred thirty-two thousand, seven hundred forty-two".