225054362440 has 32 divisors (see below), whose sum is σ = 528388505280. Its totient is φ = 86107755712.

The previous prime is 225054362413. The next prime is 225054362459. The reversal of 225054362440 is 44263450522.

It is a self number, because there is not a number n which added to its sum of digits gives 225054362440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122311234 + ... + 122313073.

It is an arithmetic number, because the mean of its divisors is an integer number (16512140790).

Almost surely, 2^225054362440 is an apocalyptic number.

225054362440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225054362440 is an abundant number, since it is smaller than the sum of its proper divisors (303334142840).

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

225054362440 is a wasteful number, since it uses less digits than its factorization.

225054362440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244624341 (or 244624337 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 225054362440 in words is "two hundred twenty-five billion, fifty-four million, three hundred sixty-two thousand, four hundred forty".