320725624273600 has 672 divisors, whose sum is σ = 1023467005030400. Its totient is φ = 96064181452800.

The previous prime is 320725624273597. The next prime is 320725624273631. The reversal of 320725624273600 is 6372426527023.

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 95 ways as a sum of consecutive naturals, for example, 2741443906 + ... + 2741560894.

Almost surely, 2^{320725624273600} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320725624273600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511733502515200).

320725624273600 is an abundant number, since it is smaller than the sum of its proper divisors (702741380756800).

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

320725624273600 is a wasteful number, since it uses less digits than its factorization.

320725624273600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118041 (or 118026 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 320725624273600 in words is "three hundred twenty trillion, seven hundred twenty-five billion, six hundred twenty-four million, two hundred seventy-three thousand, six hundred".