25442230000 has 100 divisors (see below), whose sum is σ = 67198308408. Its totient is φ = 9251680000.

The previous prime is 25442229973. The next prime is 25442230013. The reversal of 25442230000 is 3224452.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5647 + ... + 225646.

Almost surely, 2^25442230000 is an apocalyptic number.

25442230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25442230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33599154204).

25442230000 is an abundant number, since it is smaller than the sum of its proper divisors (41756078408).

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

25442230000 is a wasteful number, since it uses less digits than its factorization.

25442230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231332 (or 231311 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 25442230000 its reverse (3224452), we get a palindrome (25445454452).

The spelling of 25442230000 in words is "twenty-five billion, four hundred forty-two million, two hundred thirty thousand".