225043437564 has 60 divisors (see below), whose sum is σ = 641790554328. Its totient is φ = 68194980000.

The previous prime is 225043437533. The next prime is 225043437581. The reversal of 225043437564 is 465734340522.

225043437564 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 43 + 43 + 7 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31568187 + ... + 31575314.

Almost surely, 2^225043437564 is an apocalyptic number.

It is an amenable number.

225043437564 is an abundant number, since it is smaller than the sum of its proper divisors (416747116764).

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

225043437564 is a wasteful number, since it uses less digits than its factorization.

225043437564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63143528 (or 63143517 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

The spelling of 225043437564 in words is "two hundred twenty-five billion, forty-three million, four hundred thirty-seven thousand, five hundred sixty-four".