264440660351552 has 56 divisors (see below), whose sum is σ = 555621088892760. Its totient is φ = 124441758924800.

The previous prime is 264440660351521. The next prime is 264440660351597. The reversal of 264440660351552 is 255153066044462.

It can be written as a sum of positive squares in 4 ways, for example, as 45984456441856 + 218456203909696 = 6781184^2 + 14780264^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 264440660351494 and 264440660351503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162749552 + ... + 164366352.

Almost surely, 2^{264440660351552} is an apocalyptic number.

It is an amenable number.

264440660351552 is an abundant number, since it is smaller than the sum of its proper divisors (291180428541208).

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

264440660351552 is a wasteful number, since it uses less digits than its factorization.

264440660351552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767159 (or 1767149 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 264440660351552 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred sixty million, three hundred fifty-one thousand, five hundred fifty-two".