25304157396 has 108 divisors (see below), whose sum is σ = 74508269472. Its totient is φ = 7093150272.

The previous prime is 25304157367. The next prime is 25304157407. The reversal of 25304157396 is 69375140352.

25304157396 is a `hidden beast` number, since 2 + 5 + 30 + 41 + 573 + 9 + 6 = 666.

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 35 ways as a sum of consecutive naturals, for example, 689995 + ... + 725741.

It is an arithmetic number, because the mean of its divisors is an integer number (689891384).

Almost surely, 2^25304157396 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 25304157396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37254134736).

25304157396 is an abundant number, since it is smaller than the sum of its proper divisors (49204112076).

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

25304157396 is a wasteful number, since it uses less digits than its factorization.

25304157396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35870 (or 35812 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 25304157396 in words is "twenty-five billion, three hundred four million, one hundred fifty-seven thousand, three hundred ninety-six".