38989825090 has 16 divisors (see below), whose sum is σ = 70184381688. Its totient is φ = 15595330816.

The previous prime is 38989825079. The next prime is 38989825093. The reversal of 38989825090 is 9052898983.

It can be written as a sum of positive squares in 4 ways, for example, as 38807818009 + 182007081 = 196997^2 + 13491^2 .

It is not an unprimeable number, because it can be changed into a prime (38989825093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277194 + ... + 393466.

Almost surely, 2^38989825090 is an apocalyptic number.

38989825090 is a deficient number, since it is larger than the sum of its proper divisors (31194556598).

38989825090 is a wasteful number, since it uses less digits than its factorization.

38989825090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149813.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 38989825090 in words is "thirty-eight billion, nine hundred eighty-nine million, eight hundred twenty-five thousand, ninety".