264923572418 has 54 divisors (see below), whose sum is σ = 429130623033. Its totient is φ = 122637602880.

The previous prime is 264923572343. The next prime is 264923572447. The reversal of 264923572418 is 814275329462.

It can be written as a sum of positive squares in 2 ways, for example, as 242464653649 + 22458918769 = 492407^2 + 149863^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=363953.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264923572418.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 977577623 + ... + 977577893.

Almost surely, 2^264923572418 is an apocalyptic number.

264923572418 is a deficient number, since it is larger than the sum of its proper divisors (164207050615).

264923572418 is an frugal number, since it uses more digits than its factorization.

264923572418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 369 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 264923572418 in words is "two hundred sixty-four billion, nine hundred twenty-three million, five hundred seventy-two thousand, four hundred eighteen".