25550342468 has 48 divisors (see below), whose sum is σ = 53758857600. Its totient is φ = 10393340160.

The previous prime is 25550342459. The next prime is 25550342537. The reversal of 25550342468 is 86424305552.

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, 218753 + ... + 314568.

It is an arithmetic number, because the mean of its divisors is an integer number (1119976200).

Almost surely, 2^25550342468 is an apocalyptic number.

25550342468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25550342468 is an abundant number, since it is smaller than the sum of its proper divisors (28208515132).

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

25550342468 is a wasteful number, since it uses less digits than its factorization.

25550342468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533420 (or 533418 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 25550342468 in words is "twenty-five billion, five hundred fifty million, three hundred forty-two thousand, four hundred sixty-eight".