25284712583728 has 40 divisors (see below), whose sum is σ = 55534237161200. Its totient is φ = 11055663800064.

The previous prime is 25284712583723. The next prime is 25284712583759. The reversal of 25284712583728 is 82738521748252.

It is a self number, because there is not a number n which added to its sum of digits gives 25284712583728.

It is not an unprimeable number, because it can be changed into a prime (25284712583723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198972843 + ... + 3198980746.

It is an arithmetic number, because the mean of its divisors is an integer number (1388355929030).

Almost surely, 2^{25284712583728} is an apocalyptic number.

It is an amenable number.

25284712583728 is an abundant number, since it is smaller than the sum of its proper divisors (30249524577472).

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

25284712583728 is a wasteful number, since it uses less digits than its factorization.

25284712583728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397953629 (or 6397953623 counting only the distinct ones).

The product of its digits is 120422400, while the sum is 64.

The spelling of 25284712583728 in words is "twenty-five trillion, two hundred eighty-four billion, seven hundred twelve million, five hundred eighty-three thousand, seven hundred twenty-eight".