25027775250 has 32 divisors (see below), whose sum is σ = 62469328896. Its totient is φ = 6674073200.

The previous prime is 25027775249. The next prime is 25027775261. The reversal of 25027775250 is 5257772052.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16684434 + ... + 16685933.

It is an arithmetic number, because the mean of its divisors is an integer number (1952166528).

Almost surely, 2^25027775250 is an apocalyptic number.

25027775250 is an abundant number, since it is smaller than the sum of its proper divisors (37441553646).

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

25027775250 is a wasteful number, since it uses less digits than its factorization.

25027775250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33370387 (or 33370377 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 42.

The spelling of 25027775250 in words is "twenty-five billion, twenty-seven million, seven hundred seventy-five thousand, two hundred fifty".