25425451350 has 576 divisors, whose sum is σ = 82154741760. Its totient is φ = 5580057600.

The previous prime is 25425451349. The next prime is 25425451391. The reversal of 25425451350 is 5315452452.

25425451350 is a `hidden beast` number, since 2 + 5 + 4 + 254 + 51 + 350 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 161945472 + ... + 161945628.

It is an arithmetic number, because the mean of its divisors is an integer number (142629760).

Almost surely, 2^25425451350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25425451350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41077370880).

25425451350 is an abundant number, since it is smaller than the sum of its proper divisors (56729290410).

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

25425451350 is a wasteful number, since it uses less digits than its factorization.

25425451350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 25425451350 in words is "twenty-five billion, four hundred twenty-five million, four hundred fifty-one thousand, three hundred fifty".