320240087800 has 48 divisors (see below), whose sum is σ = 747246269160. Its totient is φ = 127633572480.

The previous prime is 320240087779. The next prime is 320240087837. The reversal of 320240087800 is 8780042023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2834854 + ... + 2945653.

Almost surely, 2^320240087800 is an apocalyptic number.

It is an amenable number.

320240087800 is an abundant number, since it is smaller than the sum of its proper divisors (427006181360).

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

320240087800 is a wasteful number, since it uses less digits than its factorization.

320240087800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780800 (or 5780791 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 320240087800 in words is "three hundred twenty billion, two hundred forty million, eighty-seven thousand, eight hundred".