25452143304 has 48 divisors (see below), whose sum is σ = 74018991600. Its totient is φ = 7272040608.

The previous prime is 25452143293. The next prime is 25452143347. The reversal of 25452143304 is 40334125452.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10820314 + ... + 10822665.

It is an arithmetic number, because the mean of its divisors is an integer number (1542062325).

Almost surely, 2^25452143304 is an apocalyptic number.

25452143304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25452143304 is an abundant number, since it is smaller than the sum of its proper divisors (48566848296).

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

25452143304 is a wasteful number, since it uses less digits than its factorization.

25452143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643002 (or 21642991 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 25452143304 its reverse (40334125452), we get a palindrome (65786268756).

The spelling of 25452143304 in words is "twenty-five billion, four hundred fifty-two million, one hundred forty-three thousand, three hundred four".