25470244800000 has 7680 divisors, whose sum is σ = 137482400563200. Its totient is φ = 4478976000000.

The previous prime is 25470244799999. The next prime is 25470244800061. The reversal of 25470244800000 is 844207452.

It is a tau number, because it is divible by the number of its divisors (7680).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 821620799985 + ... + 821620800015.

It is an arithmetic number, because the mean of its divisors is an integer number (17901354240).

Almost surely, 2^{25470244800000} is an apocalyptic number.

25470244800000 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 25470244800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68741200281600).

25470244800000 is an abundant number, since it is smaller than the sum of its proper divisors (112012155763200).

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

25470244800000 is a wasteful number, since it uses less digits than its factorization.

25470244800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 25470244800000 in words is "twenty-five trillion, four hundred seventy billion, two hundred forty-four million, eight hundred thousand".