25882250454540 has 72 divisors (see below), whose sum is σ = 79391622229920. Its totient is φ = 6824383636224.

The previous prime is 25882250454523. The next prime is 25882250454551. The reversal of 25882250454540 is 4545405228852.

25882250454540 is a `hidden beast` number, since 2 + 5 + 8 + 8 + 2 + 2 + 50 + 4 + 545 + 40 = 666.

It is a super-2 number, since 2×25882250454540² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 807794544 + ... + 807826583.

It is an arithmetic number, because the mean of its divisors is an integer number (1102661419860).

Almost surely, 2^{25882250454540} is an apocalyptic number.

25882250454540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25882250454540 is an abundant number, since it is smaller than the sum of its proper divisors (53509371775380).

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

25882250454540 is a wasteful number, since it uses less digits than its factorization.

25882250454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615621231 (or 1615621226 counting only the distinct ones).

The product of its (nonzero) digits is 20480000, while the sum is 54.

The spelling of 25882250454540 in words is "twenty-five trillion, eight hundred eighty-two billion, two hundred fifty million, four hundred fifty-four thousand, five hundred forty".