25335481634628 has 96 divisors (see below), whose sum is σ = 64905952914432. Its totient is φ = 7628096572800.

The previous prime is 25335481634587. The next prime is 25335481634629. The reversal of 25335481634628 is 82643618453352.

It is not an unprimeable number, because it can be changed into a prime (25335481634629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11812225 + ... + 13791287.

It is an arithmetic number, because the mean of its divisors is an integer number (676103676192).

Almost surely, 2^{25335481634628} 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 25335481634628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32452976457216).

25335481634628 is an abundant number, since it is smaller than the sum of its proper divisors (39570471279804).

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

25335481634628 is a wasteful number, since it uses less digits than its factorization.

25335481634628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979705 (or 1979703 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 60.

The spelling of 25335481634628 in words is "twenty-five trillion, three hundred thirty-five billion, four hundred eighty-one million, six hundred thirty-four thousand, six hundred twenty-eight".