25252340344 has 64 divisors (see below), whose sum is σ = 60935731200. Its totient is φ = 9521193600.

The previous prime is 25252340293. The next prime is 25252340363. The reversal of 25252340344 is 44304325252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642099 + ... + 680290.

It is an arithmetic number, because the mean of its divisors is an integer number (952120800).

Almost surely, 2^25252340344 is an apocalyptic number.

It is an amenable number.

25252340344 is an abundant number, since it is smaller than the sum of its proper divisors (35683390856).

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

25252340344 is a wasteful number, since it uses less digits than its factorization.

25252340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322444 (or 1322440 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 25252340344 its reverse (44304325252), we get a palindrome (69556665596).

The spelling of 25252340344 in words is "twenty-five billion, two hundred fifty-two million, three hundred forty thousand, three hundred forty-four".