264440552879 has 4 divisors (see below), whose sum is σ = 264446849520. Its totient is φ = 264434256240.

The previous prime is 264440552861. The next prime is 264440552911. The reversal of 264440552879 is 978255044462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264440552879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264440552809) 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 3 ways as a sum of consecutive naturals, for example, 3084899 + ... + 3169460.

It is an arithmetic number, because the mean of its divisors is an integer number (66111712380).

Almost surely, 2^264440552879 is an apocalyptic number.

264440552879 is a deficient number, since it is larger than the sum of its proper divisors (6296641).

264440552879 is an equidigital number, since it uses as much as digits as its factorization.

264440552879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296640.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 264440552879 in words is "two hundred sixty-four billion, four hundred forty million, five hundred fifty-two thousand, eight hundred seventy-nine".