26255220554 has 4 divisors (see below), whose sum is σ = 39382830834. Its totient is φ = 13127610276.

The previous prime is 26255220539. The next prime is 26255220559. The reversal of 26255220554 is 45502255262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26061259225 + 193961329 = 161435^2 + 13927^2 .

It is not an unprimeable number, because it can be changed into a prime (26255220559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563805137 + ... + 6563805140.

Almost surely, 2^26255220554 is an apocalyptic number.

26255220554 is a deficient number, since it is larger than the sum of its proper divisors (13127610280).

26255220554 is a wasteful number, since it uses less digits than its factorization.

26255220554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127610279.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 26255220554 in words is "twenty-six billion, two hundred fifty-five million, two hundred twenty thousand, five hundred fifty-four".