25825075800 has 48 divisors (see below), whose sum is σ = 80057736840. Its totient is φ = 6886686720.

The previous prime is 25825075789. The next prime is 25825075807. The reversal of 25825075800 is 857052852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25825075807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21520297 + ... + 21521496.

Almost surely, 2^25825075800 is an apocalyptic number.

25825075800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25825075800 is an abundant number, since it is smaller than the sum of its proper divisors (54232661040).

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

25825075800 is a wasteful number, since it uses less digits than its factorization.

25825075800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43041812 (or 43041803 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 25825075800 in words is "twenty-five billion, eight hundred twenty-five million, seventy-five thousand, eight hundred".