320564315452 has 12 divisors (see below), whose sum is σ = 561046134600. Its totient is φ = 160265419856.

The previous prime is 320564315431. The next prime is 320564315471. The reversal of 320564315452 is 254513465023.

It is a super-2 number, since 2×320564315452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141327 + ... + 4218022.

It is an arithmetic number, because the mean of its divisors is an integer number (46753844550).

Almost surely, 2^320564315452 is an apocalyptic number.

It is an amenable number.

320564315452 is a deficient number, since it is larger than the sum of its proper divisors (240481819148).

320564315452 is a wasteful number, since it uses less digits than its factorization.

320564315452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368940 (or 8368938 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 320564315452 in words is "three hundred twenty billion, five hundred sixty-four million, three hundred fifteen thousand, four hundred fifty-two".