38489659660 has 48 divisors (see below), whose sum is σ = 81078117120. Its totient is φ = 15348358080.

The previous prime is 38489659643. The next prime is 38489659661. The reversal of 38489659660 is 6695698483.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38489659592 and 38489659601.

It is not an unprimeable number, because it can be changed into a prime (38489659661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10812961 + ... + 10816519.

It is an arithmetic number, because the mean of its divisors is an integer number (1689127440).

Almost surely, 2^38489659660 is an apocalyptic number.

It is an amenable number.

38489659660 is an abundant number, since it is smaller than the sum of its proper divisors (42588457460).

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

38489659660 is a wasteful number, since it uses less digits than its factorization.

38489659660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 38489659660 in words is "thirty-eight billion, four hundred eighty-nine million, six hundred fifty-nine thousand, six hundred sixty".