26190649535556 has 48 divisors (see below), whose sum is σ = 70588702497600. Its totient is φ = 7469703966720.

The previous prime is 26190649535543. The next prime is 26190649535597. The reversal of 26190649535556 is 65553594609162.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5835703981 + ... + 5835708468.

It is an arithmetic number, because the mean of its divisors is an integer number (1470597968700).

Almost surely, 2^{26190649535556} is an apocalyptic number.

It is an amenable number.

26190649535556 is an abundant number, since it is smaller than the sum of its proper divisors (44398052962044).

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

26190649535556 is a wasteful number, since it uses less digits than its factorization.

26190649535556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671412484 (or 11671412482 counting only the distinct ones).

The product of its (nonzero) digits is 262440000, while the sum is 66.

The spelling of 26190649535556 in words is "twenty-six trillion, one hundred ninety billion, six hundred forty-nine million, five hundred thirty-five thousand, five hundred fifty-six".