320453502425320 has 32 divisors (see below), whose sum is σ = 786567687772320. Its totient is φ = 116528546336320.

The previous prime is 320453502425297. The next prime is 320453502425333. The reversal of 320453502425320 is 23524205354023.

It is a super-2 number, since 2×320453502425320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364151706862 + ... + 364151707741.

It is an arithmetic number, because the mean of its divisors is an integer number (24580240242885).

Almost surely, 2^{320453502425320} is an apocalyptic number.

It is an amenable number.

320453502425320 is an abundant number, since it is smaller than the sum of its proper divisors (466114185347000).

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

320453502425320 is a wasteful number, since it uses less digits than its factorization.

320453502425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728303414625 (or 728303414621 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 320453502425320 its reverse (23524205354023), we get a palindrome (343977707779343).

The spelling of 320453502425320 in words is "three hundred twenty trillion, four hundred fifty-three billion, five hundred two million, four hundred twenty-five thousand, three hundred twenty".