25442880192 has 140 divisors (see below), whose sum is σ = 75874869840. Its totient is φ = 8429889024.

The previous prime is 25442880167. The next prime is 25442880193. The reversal of 25442880192 is 29108824452.

25442880192 is a `hidden beast` number, since 2 + 544 + 28 + 80 + 1 + 9 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (25442880193) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 851034 + ... + 880422.

It is an arithmetic number, because the mean of its divisors is an integer number (541963356).

Almost surely, 2^25442880192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25442880192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37937434920).

25442880192 is an abundant number, since it is smaller than the sum of its proper divisors (50431989648).

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

25442880192 is a wasteful number, since it uses less digits than its factorization.

25442880192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580 (or 29561 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 25442880192 in words is "twenty-five billion, four hundred forty-two million, eight hundred eighty thousand, one hundred ninety-two".