264340236366044 has 24 divisors (see below), whose sum is σ = 479050245884448. Its totient is φ = 127550500683840.

The previous prime is 264340236365999. The next prime is 264340236366103. The reversal of 264340236366044 is 440663632043462.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10220379752 + ... + 10220405615.

It is an arithmetic number, because the mean of its divisors is an integer number (19960426911852).

Almost surely, 2^{264340236366044} is an apocalyptic number.

It is an amenable number.

264340236366044 is a deficient number, since it is larger than the sum of its proper divisors (214710009518404).

264340236366044 is a wasteful number, since it uses less digits than its factorization.

264340236366044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440785485 (or 20440785483 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 53.

The spelling of 264340236366044 in words is "two hundred sixty-four trillion, three hundred forty billion, two hundred thirty-six million, three hundred sixty-six thousand, forty-four".