25803225480 has 192 divisors, whose sum is σ = 79314966720. Its totient is φ = 6714803200.

The previous prime is 25803225449. The next prime is 25803225509. The reversal of 25803225480 is 8452230852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130980742 + ... + 130980938.

It is an arithmetic number, because the mean of its divisors is an integer number (413098785).

Almost surely, 2^25803225480 is an apocalyptic number.

25803225480 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 25803225480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39657483360).

25803225480 is an abundant number, since it is smaller than the sum of its proper divisors (53511741240).

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

25803225480 is a wasteful number, since it uses less digits than its factorization.

25803225480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 25803225480 in words is "twenty-five billion, eight hundred three million, two hundred twenty-five thousand, four hundred eighty".