25229757812480 has 288 divisors, whose sum is σ = 66161748710400. Its totient is φ = 9161488613376.

The previous prime is 25229757812449. The next prime is 25229757812491. The reversal of 25229757812480 is 8421875792252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690092441 + ... + 690128999.

Almost surely, 2^{25229757812480} is an apocalyptic number.

25229757812480 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 25229757812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33080874355200).

25229757812480 is an abundant number, since it is smaller than the sum of its proper divisors (40931990897920).

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

25229757812480 is a wasteful number, since it uses less digits than its factorization.

25229757812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37279 (or 37265 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 62.

The spelling of 25229757812480 in words is "twenty-five trillion, two hundred twenty-nine billion, seven hundred fifty-seven million, eight hundred twelve thousand, four hundred eighty".