25254113280 has 624 divisors, whose sum is σ = 92032765440. Its totient is φ = 5904138240.

The previous prime is 25254113267. The next prime is 25254113341. The reversal of 25254113280 is 8231145252.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319672281 + ... + 319672359.

Almost surely, 2^25254113280 is an apocalyptic number.

25254113280 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 25254113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46016382720).

25254113280 is an abundant number, since it is smaller than the sum of its proper divisors (66778652160).

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

25254113280 is a wasteful number, since it uses less digits than its factorization.

25254113280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 25254113280 in words is "twenty-five billion, two hundred fifty-four million, one hundred thirteen thousand, two hundred eighty".