36446978240 has 28 divisors (see below), whose sum is σ = 86789367696. Its totient is φ = 14578791168.

The previous prime is 36446978233. The next prime is 36446978251. The reversal of 36446978240 is 4287964463.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56948084 + ... + 56948723.

Almost surely, 2^36446978240 is an apocalyptic number.

It is an amenable number.

36446978240 is an abundant number, since it is smaller than the sum of its proper divisors (50342389456).

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

36446978240 is a wasteful number, since it uses less digits than its factorization.

36446978240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113896824 (or 113896814 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 36446978240 in words is "thirty-six billion, four hundred forty-six million, nine hundred seventy-eight thousand, two hundred forty".