38658627628 has 24 divisors (see below), whose sum is σ = 71367134720. Its totient is φ = 18272414160.

The previous prime is 38658627607. The next prime is 38658627697. The reversal of 38658627628 is 82672685683.

It is a happy 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, 514128 + ... + 584503.

Almost surely, 2^38658627628 is an apocalyptic number.

38658627628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38658627628 is a deficient number, since it is larger than the sum of its proper divisors (32708507092).

38658627628 is a wasteful number, since it uses less digits than its factorization.

38658627628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099117 (or 1099115 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 38658627628 in words is "thirty-eight billion, six hundred fifty-eight million, six hundred twenty-seven thousand, six hundred twenty-eight".