25413441450 has 96 divisors (see below), whose sum is σ = 66396940800. Its totient is φ = 6414966720.

The previous prime is 25413441421. The next prime is 25413441467. The reversal of 25413441450 is 5414431452.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4394661 + ... + 4400439.

It is an arithmetic number, because the mean of its divisors is an integer number (691634800).

Almost surely, 2^25413441450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25413441450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33198470400).

25413441450 is an abundant number, since it is smaller than the sum of its proper divisors (40983499350).

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

25413441450 is a wasteful number, since it uses less digits than its factorization.

25413441450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7351 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 25413441450 in words is "twenty-five billion, four hundred thirteen million, four hundred forty-one thousand, four hundred fifty".