26550254464 has 32 divisors (see below), whose sum is σ = 54716992200. Its totient is φ = 12817362432.

The previous prime is 26550254461. The next prime is 26550254477. The reversal of 26550254464 is 46445205562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 26550254464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26550254461) 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, 3572562 + ... + 3579985.

Almost surely, 2^26550254464 is an apocalyptic number.

It is an amenable number.

26550254464 is an abundant number, since it is smaller than the sum of its proper divisors (28166737736).

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

26550254464 is an equidigital number, since it uses as much as digits as its factorization.

26550254464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152590 (or 7152578 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 26550254464 in words is "twenty-six billion, five hundred fifty million, two hundred fifty-four thousand, four hundred sixty-four".