25554245432 has 16 divisors (see below), whose sum is σ = 47973448800. Its totient is φ = 12761325760.

The previous prime is 25554245429. The next prime is 25554245441. The reversal of 25554245432 is 23454245552.

It is a self number, because there is not a number n which added to its sum of digits gives 25554245432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967744 + ... + 1980687.

It is an arithmetic number, because the mean of its divisors is an integer number (2998340550).

Almost surely, 2^25554245432 is an apocalyptic number.

It is an amenable number.

25554245432 is a deficient number, since it is larger than the sum of its proper divisors (22419203368).

25554245432 is a wasteful number, since it uses less digits than its factorization.

25554245432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949246 (or 3949242 counting only the distinct ones).

The product of its digits is 960000, while the sum is 41.

The spelling of 25554245432 in words is "twenty-five billion, five hundred fifty-four million, two hundred forty-five thousand, four hundred thirty-two".