26790629733556 has 12 divisors (see below), whose sum is σ = 50490032959492. Its totient is φ = 12364906030848.

The previous prime is 26790629733551. The next prime is 26790629733577. The reversal of 26790629733556 is 65533792609762.

It can be written as a sum of positive squares in 2 ways, for example, as 7491442702500 + 19299187031056 = 2737050^2 + 4393084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26790629733551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257602208925 + ... + 257602209028.

Almost surely, 2^{26790629733556} is an apocalyptic number.

26790629733556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26790629733556 is a deficient number, since it is larger than the sum of its proper divisors (23699403225936).

26790629733556 is a wasteful number, since it uses less digits than its factorization.

26790629733556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515204417970 (or 515204417968 counting only the distinct ones).

The product of its (nonzero) digits is 771573600, while the sum is 70.

The spelling of 26790629733556 in words is "twenty-six trillion, seven hundred ninety billion, six hundred twenty-nine million, seven hundred thirty-three thousand, five hundred fifty-six".