320255671424 has 64 divisors (see below), whose sum is σ = 690684986880. Its totient is φ = 147036288000.

The previous prime is 320255671399. The next prime is 320255671447. The reversal of 320255671424 is 424176552023.

It is a tau number, because it is divible by the number of its divisors (64).

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, 186002 + ... + 821649.

It is an arithmetic number, because the mean of its divisors is an integer number (10791952920).

Almost surely, 2^320255671424 is an apocalyptic number.

It is an amenable number.

320255671424 is an abundant number, since it is smaller than the sum of its proper divisors (370429315456).

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

320255671424 is a wasteful number, since it uses less digits than its factorization.

320255671424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007869 (or 1007857 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 320255671424 in words is "three hundred twenty billion, two hundred fifty-five million, six hundred seventy-one thousand, four hundred twenty-four".