26311642264 has 16 divisors (see below), whose sum is σ = 49355935200. Its totient is φ = 13150059552.

The previous prime is 26311642249. The next prime is 26311642289. The reversal of 26311642264 is 46224611362.

It is a super-2 number, since 2×26311642264² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700759 + ... + 737350.

It is an arithmetic number, because the mean of its divisors is an integer number (3084745950).

Almost surely, 2^26311642264 is an apocalyptic number.

It is an amenable number.

26311642264 is a deficient number, since it is larger than the sum of its proper divisors (23044292936).

26311642264 is a wasteful number, since it uses less digits than its factorization.

26311642264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440402 (or 1440398 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The spelling of 26311642264 in words is "twenty-six billion, three hundred eleven million, six hundred forty-two thousand, two hundred sixty-four".