25130644320 has 288 divisors, whose sum is σ = 81942967008. Its totient is φ = 6473408512.

The previous prime is 25130644309. The next prime is 25130644351. The reversal of 25130644320 is 2344603152.

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

It is a congruent 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, 145263754 + ... + 145263926.

It is an arithmetic number, because the mean of its divisors is an integer number (284524191).

Almost surely, 2^25130644320 is an apocalyptic number.

25130644320 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 25130644320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40971483504).

25130644320 is an abundant number, since it is smaller than the sum of its proper divisors (56812322688).

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

25130644320 is a wasteful number, since it uses less digits than its factorization.

25130644320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 25130644320 in words is "twenty-five billion, one hundred thirty million, six hundred forty-four thousand, three hundred twenty".