264440622355153 has 4 divisors (see below), whose sum is σ = 266191884755008. Its totient is φ = 262689359955300.

The previous prime is 264440622355139. The next prime is 264440622355297. The reversal of 264440622355153 is 351553226044462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264440622355153 - 2⁵ = 264440622355121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264440622355153.

It is not an unprimeable number, because it can be changed into a prime (264440622355103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875631199701 + ... + 875631200002.

It is an arithmetic number, because the mean of its divisors is an integer number (66547971188752).

Almost surely, 2^{264440622355153} is an apocalyptic number.

It is an amenable number.

264440622355153 is a deficient number, since it is larger than the sum of its proper divisors (1751262399855).

264440622355153 is a wasteful number, since it uses less digits than its factorization.

264440622355153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751262399854.

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 264440622355153 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred twenty-two million, three hundred fifty-five thousand, one hundred fifty-three".