25812400747328 has 28 divisors (see below), whose sum is σ = 55161596791140. Its totient is φ = 11913415729152.

The previous prime is 25812400747291. The next prime is 25812400747361. The reversal of 25812400747328 is 82374700421852.

It can be written as a sum of positive squares in 2 ways, for example, as 13319229800704 + 12493170946624 = 3649552^2 + 3534568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25812400747328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15512259233 + ... + 15512260896.

It is an arithmetic number, because the mean of its divisors is an integer number (1970057028255).

Almost surely, 2^{25812400747328} is an apocalyptic number.

It is an amenable number.

25812400747328 is an abundant number, since it is smaller than the sum of its proper divisors (29349196043812).

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

25812400747328 is a wasteful number, since it uses less digits than its factorization.

25812400747328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31024520154 (or 31024520144 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 25812400747328 in words is "twenty-five trillion, eight hundred twelve billion, four hundred million, seven hundred forty-seven thousand, three hundred twenty-eight".