38888506045 has 4 divisors (see below), whose sum is σ = 46666207260. Its totient is φ = 31110804832.

The previous prime is 38888506031. The next prime is 38888506103. The reversal of 38888506045 is 54060588883.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22809758841 + 16078747204 = 151029^2 + 126802^2 .

It is a cyclic number.

It is not a de Polignac number, because 38888506045 - 2¹⁹ = 38887981757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888850600 + ... + 3888850609.

It is an arithmetic number, because the mean of its divisors is an integer number (11666551815).

Almost surely, 2^38888506045 is an apocalyptic number.

It is an amenable number.

38888506045 is a deficient number, since it is larger than the sum of its proper divisors (7777701215).

38888506045 is an equidigital number, since it uses as much as digits as its factorization.

38888506045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777701214.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 38888506045 in words is "thirty-eight billion, eight hundred eighty-eight million, five hundred six thousand, forty-five".