26669260690704 has 200 divisors, whose sum is σ = 79078510010808. Its totient is φ = 8672131399680.

The previous prime is 26669260690679. The next prime is 26669260690741. The reversal of 26669260690704 is 40709606296662.

It can be written as a sum of positive squares in 4 ways, for example, as 10547815107600 + 16121445583104 = 3247740^2 + 4015152^2 .

It is a super-2 number, since 2×26669260690704² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 925455304 + ... + 925484120.

Almost surely, 2^{26669260690704} is an apocalyptic number.

26669260690704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26669260690704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39539255005404).

26669260690704 is an abundant number, since it is smaller than the sum of its proper divisors (52409249320104).

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

26669260690704 is a wasteful number, since it uses less digits than its factorization.

26669260690704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46295 (or 46280 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 26669260690704 in words is "twenty-six trillion, six hundred sixty-nine billion, two hundred sixty million, six hundred ninety thousand, seven hundred four".