26552210140404 has 216 divisors, whose sum is σ = 77602503683432. Its totient is φ = 7603486640640.

The previous prime is 26552210140399. The next prime is 26552210140447. The reversal of 26552210140404 is 40404101225562.

26552210140404 is a `hidden beast` number, since 2 + 6 + 552 + 21 + 0 + 1 + 40 + 40 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9939819951504 + 16612390188900 = 3152748^2 + 4075830^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7710834 + ... + 10609494.

Almost surely, 2^{26552210140404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26552210140404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38801251841716).

26552210140404 is an abundant number, since it is smaller than the sum of its proper divisors (51050293543028).

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

26552210140404 is a wasteful number, since it uses less digits than its factorization.

26552210140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898767 (or 2898739 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 26552210140404 its reverse (40404101225562), we get a palindrome (66956311365966).

The spelling of 26552210140404 in words is "twenty-six trillion, five hundred fifty-two billion, two hundred ten million, one hundred forty thousand, four hundred four".