225012540450 has 24 divisors (see below), whose sum is σ = 558031100688. Its totient is φ = 60003344080.

The previous prime is 225012540427. The next prime is 225012540499. The reversal of 225012540450 is 54045210522.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 750041652 + ... + 750041951.

It is an arithmetic number, because the mean of its divisors is an integer number (23251295862).

Almost surely, 2^225012540450 is an apocalyptic number.

225012540450 is an abundant number, since it is smaller than the sum of its proper divisors (333018560238).

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

225012540450 is a wasteful number, since it uses less digits than its factorization.

225012540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500083618 (or 1500083613 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 225012540450 its reverse (54045210522), we get a palindrome (279057750972).

The spelling of 225012540450 in words is "two hundred twenty-five billion, twelve million, five hundred forty thousand, four hundred fifty".