25842686226 has 32 divisors (see below), whose sum is σ = 59074928640. Its totient is φ = 7382883216.

The previous prime is 25842686213. The next prime is 25842686251. The reversal of 25842686226 is 62268624852.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499465 + ... + 548771.

It is an arithmetic number, because the mean of its divisors is an integer number (1846091520).

Almost surely, 2^25842686226 is an apocalyptic number.

25842686226 is an abundant number, since it is smaller than the sum of its proper divisors (33232242414).

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

25842686226 is a wasteful number, since it uses less digits than its factorization.

25842686226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61798.

The product of its digits is 4423680, while the sum is 51.

The spelling of 25842686226 in words is "twenty-five billion, eight hundred forty-two million, six hundred eighty-six thousand, two hundred twenty-six".