320240258560 has 40 divisors (see below), whose sum is σ = 767826063576. Its totient is φ = 128096102400.

The previous prime is 320240258521. The next prime is 320240258599. The reversal of 320240258560 is 65852042023.

It is an interprime number because it is at equal distance from previous prime (320240258521) and next prime (320240258599).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 62544366 + ... + 62549485.

Almost surely, 2^320240258560 is an apocalyptic number.

It is an amenable number.

320240258560 is an abundant number, since it is smaller than the sum of its proper divisors (447585805016).

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

320240258560 is an equidigital number, since it uses as much as digits as its factorization.

320240258560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125093874 (or 125093858 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 320240258560 in words is "three hundred twenty billion, two hundred forty million, two hundred fifty-eight thousand, five hundred sixty".