25953628540872 has 96 divisors (see below), whose sum is σ = 68932970305920. Its totient is φ = 8141407994880.

The previous prime is 25953628540867. The next prime is 25953628540963. The reversal of 25953628540872 is 27804582635952.

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, 63475633 + ... + 63883199.

It is an arithmetic number, because the mean of its divisors is an integer number (718051774020).

Almost surely, 2^{25953628540872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25953628540872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34466485152960).

25953628540872 is an abundant number, since it is smaller than the sum of its proper divisors (42979341765048).

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

25953628540872 is a wasteful number, since it uses less digits than its factorization.

25953628540872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416791 (or 416770 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 66.

The spelling of 25953628540872 in words is "twenty-five trillion, nine hundred fifty-three billion, six hundred twenty-eight million, five hundred forty thousand, eight hundred seventy-two".