25025833830 has 64 divisors (see below), whose sum is σ = 60615475200. Its totient is φ = 6612253440.

The previous prime is 25025833829. The next prime is 25025833873. The reversal of 25025833830 is 3833852052.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166811 + ... + 2178329.

It is an arithmetic number, because the mean of its divisors is an integer number (947116800).

Almost surely, 2^25025833830 is an apocalyptic number.

25025833830 is an abundant number, since it is smaller than the sum of its proper divisors (35589641370).

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

25025833830 is a wasteful number, since it uses less digits than its factorization.

25025833830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 25025833830 in words is "twenty-five billion, twenty-five million, eight hundred thirty-three thousand, eight hundred thirty".