25256422403324 has 96 divisors (see below), whose sum is σ = 52443943534080. Its totient is φ = 10413093180672.

The previous prime is 25256422403273. The next prime is 25256422403339. The reversal of 25256422403324 is 42330422465252.

It is a super-2 number, since 2×25256422403324² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1671828179 + ... + 1671843285.

It is an arithmetic number, because the mean of its divisors is an integer number (546291078480).

Almost surely, 2^{25256422403324} 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 25256422403324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26221971767040).

25256422403324 is an abundant number, since it is smaller than the sum of its proper divisors (27187521130756).

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

25256422403324 is a wasteful number, since it uses less digits than its factorization.

25256422403324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22467 (or 22465 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 25256422403324 its reverse (42330422465252), we get a palindrome (67586844868576).

The spelling of 25256422403324 in words is "twenty-five trillion, two hundred fifty-six billion, four hundred twenty-two million, four hundred three thousand, three hundred twenty-four".