25304897705472 has 480 divisors, whose sum is σ = 94424792926464. Its totient is φ = 6572698214400.

The previous prime is 25304897705447. The next prime is 25304897705509. The reversal of 25304897705472 is 27450779840352.

It is a happy number.

25304897705472 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 4 + 8 + 97 + 70 + 5 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 8259322 + ... + 10900742.

Almost surely, 2^{25304897705472} is an apocalyptic number.

25304897705472 is a gapful number since it is divisible by the number (22) 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 25304897705472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47212396463232).

25304897705472 is an abundant number, since it is smaller than the sum of its proper divisors (69119895220992).

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

25304897705472 is an equidigital number, since it uses as much as digits as its factorization.

25304897705472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641472 (or 2641444 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 63.

The spelling of 25304897705472 in words is "twenty-five trillion, three hundred four billion, eight hundred ninety-seven million, seven hundred five thousand, four hundred seventy-two".