25322485734 has 128 divisors (see below), whose sum is σ = 69340078080. Its totient is φ = 6670553472.

The previous prime is 25322485729. The next prime is 25322485753. The reversal of 25322485734 is 43758422352.

25322485734 is a `hidden beast` number, since 2 + 5 + 32 + 2 + 48 + 573 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25322485734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4975339 + ... + 4980425.

It is an arithmetic number, because the mean of its divisors is an integer number (541719360).

Almost surely, 2^25322485734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25322485734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34670039040).

25322485734 is an abundant number, since it is smaller than the sum of its proper divisors (44017592346).

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

25322485734 is a wasteful number, since it uses less digits than its factorization.

25322485734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131 (or 6125 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 25322485734 in words is "twenty-five billion, three hundred twenty-two million, four hundred eighty-five thousand, seven hundred thirty-four".