38888800018 has 4 divisors (see below), whose sum is σ = 58333200030. Its totient is φ = 19444400008.

The previous prime is 38888799959. The next prime is 38888800021. The reversal of 38888800018 is 81000888883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31871889729 + 7016910289 = 178527^2 + 83767^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9722200003 + ... + 9722200006.

Almost surely, 2^38888800018 is an apocalyptic number.

38888800018 is a deficient number, since it is larger than the sum of its proper divisors (19444400012).

38888800018 is a wasteful number, since it uses less digits than its factorization.

38888800018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19444400011.

The product of its (nonzero) digits is 786432, while the sum is 52.

The spelling of 38888800018 in words is "thirty-eight billion, eight hundred eighty-eight million, eight hundred thousand, eighteen".