225740402652 has 24 divisors (see below), whose sum is σ = 527479020432. Its totient is φ = 75139456000.

The previous prime is 225740402627. The next prime is 225740402683. The reversal of 225740402652 is 256204047522.

It is a self number, because there is not a number n which added to its sum of digits gives 225740402652.

It is a congruent number.

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, 13409349 + ... + 13426172.

It is an arithmetic number, because the mean of its divisors is an integer number (21978292518).

Almost surely, 2^225740402652 is an apocalyptic number.

It is an amenable number.

225740402652 is an abundant number, since it is smaller than the sum of its proper divisors (301738617780).

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

225740402652 is a wasteful number, since it uses less digits than its factorization.

225740402652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26836229 (or 26836227 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 225740402652 in words is "two hundred twenty-five billion, seven hundred forty million, four hundred two thousand, six hundred fifty-two".