25845265000 has 40 divisors (see below), whose sum is σ = 60555467610. Its totient is φ = 10338104000.

The previous prime is 25845264989. The next prime is 25845265021. The reversal of 25845265000 is 56254852.

It can be written as a sum of positive squares in 5 ways, for example, as 1604643364 + 24240621636 = 40058^2 + 155694^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 9 ways as a sum of consecutive naturals, for example, 2579527 + ... + 2589526.

Almost surely, 2^25845265000 is an apocalyptic number.

25845265000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25845265000 is an abundant number, since it is smaller than the sum of its proper divisors (34710202610).

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

25845265000 is an equidigital number, since it uses as much as digits as its factorization.

25845265000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169079 (or 5169060 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 25845265000 in words is "twenty-five billion, eight hundred forty-five million, two hundred sixty-five thousand".