25992485226 has 64 divisors (see below), whose sum is σ = 60223795200. Its totient is φ = 8299464768.

The previous prime is 25992485213. The next prime is 25992485227. The reversal of 25992485226 is 62258429952.

25992485226 is a `hidden beast` number, since 2 + 5 + 99 + 24 + 8 + 522 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (25992485227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133536 + ... + 264228.

It is an arithmetic number, because the mean of its divisors is an integer number (940996800).

Almost surely, 2^25992485226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25992485226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30111897600).

25992485226 is an abundant number, since it is smaller than the sum of its proper divisors (34231309974).

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

25992485226 is a wasteful number, since it uses less digits than its factorization.

25992485226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130860 (or 130854 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 25992485226 in words is "twenty-five billion, nine hundred ninety-two million, four hundred eighty-five thousand, two hundred twenty-six".