25500003027800 has 96 divisors (see below), whose sum is σ = 69035587912800. Its totient is φ = 8577898567680.

The previous prime is 25500003027797. The next prime is 25500003027809. The reversal of 25500003027800 is 872030000552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500003027809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171758705 + ... + 171907104.

It is an arithmetic number, because the mean of its divisors is an integer number (719120707425).

Almost surely, 2^{25500003027800} is an apocalyptic number.

25500003027800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25500003027800 is an abundant number, since it is smaller than the sum of its proper divisors (43535584885000).

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

25500003027800 is a wasteful number, since it uses less digits than its factorization.

25500003027800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343665885 (or 343665876 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 25500003027800 in words is "twenty-five trillion, five hundred billion, three million, twenty-seven thousand, eight hundred".