25582014822 has 128 divisors (see below), whose sum is σ = 67486132224. Its totient is φ = 6279026688.

The previous prime is 25582014797. The next prime is 25582014833. The reversal of 25582014822 is 22841028552.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 437118 + ... + 492174.

It is an arithmetic number, because the mean of its divisors is an integer number (527235408).

Almost surely, 2^25582014822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25582014822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33743066112).

25582014822 is an abundant number, since it is smaller than the sum of its proper divisors (41904117402).

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

25582014822 is a wasteful number, since it uses less digits than its factorization.

25582014822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55142.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 25582014822 in words is "twenty-five billion, five hundred eighty-two million, fourteen thousand, eight hundred twenty-two".