264440256466555 has 32 divisors (see below), whose sum is σ = 365423001931008. Its totient is φ = 181972238592000.

The previous prime is 264440256466553. The next prime is 264440256466571. The reversal of 264440256466555 is 555664652044462.

264440256466555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264440256466555 - 2¹ = 264440256466553 is a prime.

It is a super-3 number, since 3×264440256466555³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (264440256466553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184603491 + ... + 1184826700.

It is an arithmetic number, because the mean of its divisors is an integer number (11419468810344).

Almost surely, 2^{264440256466555} is an apocalyptic number.

264440256466555 is a deficient number, since it is larger than the sum of its proper divisors (100982745464453).

264440256466555 is a wasteful number, since it uses less digits than its factorization.

264440256466555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369430327.

The product of its (nonzero) digits is 829440000, while the sum is 64.

The spelling of 264440256466555 in words is "two hundred sixty-four trillion, four hundred forty billion, two hundred fifty-six million, four hundred sixty-six thousand, five hundred fifty-five".