25425614888820 has 72 divisors (see below), whose sum is σ = 77148719391744. Its totient is φ = 6778022939328.

The previous prime is 25425614888819. The next prime is 25425614888831. The reversal of 25425614888820 is 2888841652452.

25425614888820 is a `hidden beast` number, since 2 + 5 + 4 + 2 + 5 + 614 + 8 + 8 + 8 + 8 + 2 + 0 = 666.

25425614888820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21730764 + ... + 22870883.

It is an arithmetic number, because the mean of its divisors is an integer number (1071509991552).

Almost surely, 2^{25425614888820} is an apocalyptic number.

25425614888820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25425614888820 is an abundant number, since it is smaller than the sum of its proper divisors (51723104502924).

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

25425614888820 is a wasteful number, since it uses less digits than its factorization.

25425614888820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44604829 (or 44604824 counting only the distinct ones).

The product of its (nonzero) digits is 78643200, while the sum is 63.

The spelling of 25425614888820 in words is "twenty-five trillion, four hundred twenty-five billion, six hundred fourteen million, eight hundred eighty-eight thousand, eight hundred twenty".