322497654728 has 12 divisors (see below), whose sum is σ = 604686114315. Its totient is φ = 161248024248.

The previous prime is 322497654701. The next prime is 322497654751. The reversal of 322497654728 is 827456794223.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 161248827364 + 161248827364 = 401558^2 + 401558^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=401558.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1505843 + ... + 1706621.

Almost surely, 2^322497654728 is an apocalyptic number.

It is an amenable number.

322497654728 is a deficient number, since it is larger than the sum of its proper divisors (282188459587).

322497654728 is an frugal number, since it uses more digits than its factorization.

322497654728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401564 (or 200781 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 59.

The spelling of 322497654728 in words is "three hundred twenty-two billion, four hundred ninety-seven million, six hundred fifty-four thousand, seven hundred twenty-eight".