26544089768 has 32 divisors (see below), whose sum is σ = 56954251200. Its totient is φ = 11361226752.

The previous prime is 26544089701. The next prime is 26544089771. The reversal of 26544089768 is 86798044562.

It is a happy number.

It is a super-2 number, since 2×26544089768² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265130 + ... + 351257.

It is an arithmetic number, because the mean of its divisors is an integer number (1779820350).

Almost surely, 2^26544089768 is an apocalyptic number.

26544089768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26544089768 is an abundant number, since it is smaller than the sum of its proper divisors (30410161432).

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

26544089768 is a wasteful number, since it uses less digits than its factorization.

26544089768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617169 (or 617165 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 26544089768 in words is "twenty-six billion, five hundred forty-four million, eighty-nine thousand, seven hundred sixty-eight".