264440611065160 has 32 divisors (see below), whose sum is σ = 595389895710840. Its totient is φ = 105705396281344.

The previous prime is 264440611065157. The next prime is 264440611065187. The reversal of 264440611065160 is 61560116044462.

It can be written as a sum of positive squares in 4 ways, for example, as 252989574677316 + 11451036387844 = 15905646^2 + 3383938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264440611065160.

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, 2213944057 + ... + 2214063496.

Almost surely, 2^{264440611065160} is an apocalyptic number.

264440611065160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264440611065160 is an abundant number, since it is smaller than the sum of its proper divisors (330949284645680).

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

264440611065160 is a wasteful number, since it uses less digits than its factorization.

264440611065160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428009057 (or 4428009053 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 264440611065160 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred eleven million, sixty-five thousand, one hundred sixty".