25275802580 has 48 divisors (see below), whose sum is σ = 60684978816. Its totient is φ = 8662696320.

The previous prime is 25275802567. The next prime is 25275802633. The reversal of 25275802580 is 8520857252.

It is a congruent number.

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, 350807 + ... + 416673.

It is an arithmetic number, because the mean of its divisors is an integer number (1264270392).

Almost surely, 2^25275802580 is an apocalyptic number.

25275802580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25275802580 is an abundant number, since it is smaller than the sum of its proper divisors (35409176236).

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

25275802580 is a wasteful number, since it uses less digits than its factorization.

25275802580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68624 (or 68622 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 25275802580 in words is "twenty-five billion, two hundred seventy-five million, eight hundred two thousand, five hundred eighty".