25282601984 has 88 divisors (see below), whose sum is σ = 52030482240. Its totient is φ = 12272246784.

The previous prime is 25282601899. The next prime is 25282602019. The reversal of 25282601984 is 48910628252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7615877 + ... + 7619195.

It is an arithmetic number, because the mean of its divisors is an integer number (591255480).

Almost surely, 2^25282601984 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 25282601984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26015241120).

25282601984 is an abundant number, since it is smaller than the sum of its proper divisors (26747880256).

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

25282601984 is a wasteful number, since it uses less digits than its factorization.

25282601984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 25282601984 in words is "twenty-five billion, two hundred eighty-two million, six hundred one thousand, nine hundred eighty-four".