26641371294784 has 63 divisors (see below), whose sum is σ = 52998476132757. Its totient is φ = 13287507345408.

The previous prime is 26641371294689. The next prime is 26641371294821. The reversal of 26641371294784 is 48749217314662.

The square root of 26641371294784 is 5161528.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10423031454784 + 16218339840000 = 3228472^2 + 4027200^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31753719837 + ... + 31753720675.

Almost surely, 2^{26641371294784} is an apocalyptic number.

26641371294784 is the 5161528-th square number.

It is an amenable number.

26641371294784 is a deficient number, since it is larger than the sum of its proper divisors (26357104837973).

26641371294784 is an frugal number, since it uses more digits than its factorization.

26641371294784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228 (or 1610 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 64.

26641371294784 divided by its sum of digits (64) gives a square (416271426481 = 645191²).

The spelling of 26641371294784 in words is "twenty-six trillion, six hundred forty-one billion, three hundred seventy-one million, two hundred ninety-four thousand, seven hundred eighty-four".