36390903728 has 20 divisors (see below), whose sum is σ = 71166326760. Its totient is φ = 18025400064.

The previous prime is 36390903727. The next prime is 36390903733. The reversal of 36390903728 is 82730909363.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (36390903727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10626473 + ... + 10629896.

It is an arithmetic number, because the mean of its divisors is an integer number (3558316338).

Almost surely, 2^36390903728 is an apocalyptic number.

It is an amenable number.

36390903728 is a deficient number, since it is larger than the sum of its proper divisors (34775423032).

36390903728 is a wasteful number, since it uses less digits than its factorization.

36390903728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21256484 (or 21256478 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 36390903728 in words is "thirty-six billion, three hundred ninety million, nine hundred three thousand, seven hundred twenty-eight".