264440426236256 has 36 divisors (see below), whose sum is σ = 553043067043068. Its totient is φ = 124442553518592.

The previous prime is 264440426236249. The next prime is 264440426236267. The reversal of 264440426236256 is 652632624044462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14297159126 + ... + 14297177621.

It is an arithmetic number, because the mean of its divisors is an integer number (15362307417863).

Almost surely, 2^{264440426236256} is an apocalyptic number.

It is an amenable number.

264440426236256 is an abundant number, since it is smaller than the sum of its proper divisors (288602640806812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264440426236256 is a wasteful number, since it uses less digits than its factorization.

264440426236256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594336791 (or 28594336766 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 56.

The spelling of 264440426236256 in words is "two hundred sixty-four trillion, four hundred forty billion, four hundred twenty-six million, two hundred thirty-six thousand, two hundred fifty-six".