26502640156 has 24 divisors (see below), whose sum is σ = 47886505856. Its totient is φ = 12820973760.

The previous prime is 26502640141. The next prime is 26502640163. The reversal of 26502640156 is 65104620562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593110 + ... + 636226.

Almost surely, 2^26502640156 is an apocalyptic number.

It is an amenable number.

26502640156 is a deficient number, since it is larger than the sum of its proper divisors (21383865700).

26502640156 is a wasteful number, since it uses less digits than its factorization.

26502640156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48109 (or 48107 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 26502640156 in words is "twenty-six billion, five hundred two million, six hundred forty thousand, one hundred fifty-six".