264440611065155 has 48 divisors (see below), whose sum is σ = 376578166680576. Its totient is φ = 177706229722560.

The previous prime is 264440611065151. The next prime is 264440611065157. The reversal of 264440611065155 is 551560116044462.

It is not a de Polignac number, because 264440611065155 - 2² = 264440611065151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264440611065151) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 42610319 + ... + 48420248.

It is an arithmetic number, because the mean of its divisors is an integer number (7845378472512).

Almost surely, 2^{264440611065155} is an apocalyptic number.

264440611065155 is a deficient number, since it is larger than the sum of its proper divisors (112137555615421).

264440611065155 is a wasteful number, since it uses less digits than its factorization.

264440611065155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91030824 (or 91030817 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 264440611065155 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred eleven million, sixty-five thousand, one hundred fifty-five".