26644498794 has 12 divisors (see below), whose sum is σ = 57729747426. Its totient is φ = 8881499592.

The previous prime is 26644498759. The next prime is 26644498861. The reversal of 26644498794 is 49789444662.

26644498794 is a `hidden beast` number, since 26 + 6 + 4 + 449 + 87 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16157714769 + 10486784025 = 127113^2 + 102405^2 .

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, 740124949 + ... + 740124984.

Almost surely, 2^26644498794 is an apocalyptic number.

26644498794 is an abundant number, since it is smaller than the sum of its proper divisors (31085248632).

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

26644498794 is a wasteful number, since it uses less digits than its factorization.

26644498794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480249941 (or 1480249938 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 26644498794 in words is "twenty-six billion, six hundred forty-four million, four hundred ninety-eight thousand, seven hundred ninety-four".