225298644480 has 2560 divisors, whose sum is σ = 1088930304000. Its totient is φ = 43698880512.

The previous prime is 225298644397. The next prime is 225298644491. The reversal of 225298644480 is 84446892522.

225298644480 is a `hidden beast` number, since 2 + 2 + 52 + 98 + 64 + 448 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2560).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 255 ways as a sum of consecutive naturals, for example, 5239503339 + ... + 5239503381.

It is an arithmetic number, because the mean of its divisors is an integer number (425363400).

Almost surely, 2^225298644480 is an apocalyptic number.

225298644480 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 225298644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544465152000).

225298644480 is an abundant number, since it is smaller than the sum of its proper divisors (863631659520).

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

225298644480 is a wasteful number, since it uses less digits than its factorization.

225298644480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 225298644480 in words is "two hundred twenty-five billion, two hundred ninety-eight million, six hundred forty-four thousand, four hundred eighty".