320063456 has 48 divisors (see below), whose sum is σ = 643386240. Its totient is φ = 156696960.

The previous prime is 320063413. The next prime is 320063461. The reversal of 320063456 is 654360023.

It is a congruent number.

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, 406295 + ... + 407081.

It is an arithmetic number, because the mean of its divisors is an integer number (13403880).

Almost surely, 2^320063456 is an apocalyptic number.

It is an amenable number.

320063456 is an abundant number, since it is smaller than the sum of its proper divisors (323322784).

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

320063456 is a wasteful number, since it uses less digits than its factorization.

320063456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 320063456 is about 17890.3173811981. The cubic root of 320063456 is about 684.0355874465.

The spelling of 320063456 in words is "three hundred twenty million, sixty-three thousand, four hundred fifty-six".