25455454200 has 384 divisors, whose sum is σ = 96620601600. Its totient is φ = 6108480000.

The previous prime is 25455454163. The next prime is 25455454229. The reversal of 25455454200 is 245455452.

25455454200 is a `hidden beast` number, since 2 + 54 + 554 + 54 + 2 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5997279 + ... + 6001521.

It is an arithmetic number, because the mean of its divisors is an integer number (251616150).

Almost surely, 2^25455454200 is an apocalyptic number.

25455454200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25455454200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48310300800).

25455454200 is an abundant number, since it is smaller than the sum of its proper divisors (71165147400).

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

25455454200 is a wasteful number, since it uses less digits than its factorization.

25455454200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 25455454200 in words is "twenty-five billion, four hundred fifty-five million, four hundred fifty-four thousand, two hundred".