25789406203980 has 96 divisors (see below), whose sum is σ = 80284782574080. Its totient is φ = 6872797183680.

The previous prime is 25789406203973. The next prime is 25789406203997. The reversal of 25789406203980 is 8930260498752.

25789406203980 is a `hidden beast` number, since 2 + 57 + 89 + 406 + 20 + 3 + 9 + 80 = 666.

It is a super-2 number, since 2×25789406203980² (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 31 ways as a sum of consecutive naturals, for example, 14351584 + ... + 16048263.

It is an arithmetic number, because the mean of its divisors is an integer number (836299818480).

Almost surely, 2^{25789406203980} is an apocalyptic number.

25789406203980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25789406203980 is an abundant number, since it is smaller than the sum of its proper divisors (54495376370100).

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

25789406203980 is a wasteful number, since it uses less digits than its factorization.

25789406203980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30401436 (or 30401428 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 25789406203980 in words is "twenty-five trillion, seven hundred eighty-nine billion, four hundred six million, two hundred three thousand, nine hundred eighty".