38535866660 has 48 divisors (see below), whose sum is σ = 81512509680. Its totient is φ = 15302676480.

The previous prime is 38535866653. The next prime is 38535866669. The reversal of 38535866660 is 6666853583.

It can be written as a sum of positive squares in 8 ways, for example, as 59474944 + 38476391716 = 7712^2 + 196154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38535866596 and 38535866605.

It is not an unprimeable number, because it can be changed into a prime (38535866669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4042700 + ... + 4052220.

It is an arithmetic number, because the mean of its divisors is an integer number (1698177285).

Almost surely, 2^38535866660 is an apocalyptic number.

It is an amenable number.

38535866660 is an abundant number, since it is smaller than the sum of its proper divisors (42976643020).

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

38535866660 is a wasteful number, since it uses less digits than its factorization.

38535866660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976 (or 10974 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 38535866660 in words is "thirty-eight billion, five hundred thirty-five million, eight hundred sixty-six thousand, six hundred sixty".