25098240000 has 600 divisors, whose sum is σ = 90080415040. Its totient is φ = 6193152000.

The previous prime is 25098239989. The next prime is 25098240001. The reversal of 25098240000 is 4289052.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 25098240000.

It is not an unprimeable number, because it can be changed into a prime (25098240001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 583679979 + ... + 583680021.

Almost surely, 2^25098240000 is an apocalyptic number.

25098240000 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 25098240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45040207520).

25098240000 is an abundant number, since it is smaller than the sum of its proper divisors (64982175040).

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

25098240000 is an frugal number, since it uses more digits than its factorization.

25098240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 25098240000 in words is "twenty-five billion, ninety-eight million, two hundred forty thousand".