25952500028420 has 24 divisors (see below), whose sum is σ = 62286000068544. Its totient is φ = 8898000009696.

The previous prime is 25952500028321. The next prime is 25952500028423. The reversal of 25952500028420 is 2482000525952.

It is not an unprimeable number, because it can be changed into a prime (25952500028423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92687499962 + ... + 92687500241.

It is an arithmetic number, because the mean of its divisors is an integer number (2595250002856).

Almost surely, 2^{25952500028420} is an apocalyptic number.

25952500028420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25952500028420 is an abundant number, since it is smaller than the sum of its proper divisors (36333500040124).

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

25952500028420 is a wasteful number, since it uses less digits than its factorization.

25952500028420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185375000219 (or 185375000217 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 25952500028420 in words is "twenty-five trillion, nine hundred fifty-two billion, five hundred million, twenty-eight thousand, four hundred twenty".