25275302828 has 24 divisors (see below), whose sum is σ = 44475060000. Its totient is φ = 12568203648.

The previous prime is 25275302809. The next prime is 25275302839. The reversal of 25275302828 is 82820357252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022776 + ... + 2035232.

It is an arithmetic number, because the mean of its divisors is an integer number (1853127500).

Almost surely, 2^25275302828 is an apocalyptic number.

It is an amenable number.

25275302828 is a deficient number, since it is larger than the sum of its proper divisors (19199757172).

25275302828 is a wasteful number, since it uses less digits than its factorization.

25275302828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209 (or 15207 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 25275302828 in words is "twenty-five billion, two hundred seventy-five million, three hundred two thousand, eight hundred twenty-eight".