26841579556 has 45 divisors (see below), whose sum is σ = 51746154145. Its totient is φ = 12182696240.

The previous prime is 26841579553. The next prime is 26841579559. The reversal of 26841579556 is 65597514862.

It is a happy number.

The square root of 26841579556 is 163834.

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

It is an interprime number because it is at equal distance from previous prime (26841579553) and next prime (26841579559).

It can be written as a sum of positive squares in only one way, i.e., 26683222500 + 158357056 = 163350^2 + 12584^2 .

It is a super-2 number, since 2×26841579556² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26841579556.

It is not an unprimeable number, because it can be changed into a prime (26841579553) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 39647490 + ... + 39648166.

Almost surely, 2^26841579556 is an apocalyptic number.

26841579556 is the 163834-th square number.

It is an amenable number.

26841579556 is a deficient number, since it is larger than the sum of its proper divisors (24904574589).

26841579556 is an frugal number, since it uses more digits than its factorization.

26841579556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 690 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 58.

The spelling of 26841579556 in words is "twenty-six billion, eight hundred forty-one million, five hundred seventy-nine thousand, five hundred fifty-six".