225140431544 has 32 divisors (see below), whose sum is σ = 482482927200. Its totient is φ = 96480927360.

The previous prime is 225140431511. The next prime is 225140431559. The reversal of 225140431544 is 445134041522.

It is a happy number.

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, 561734 + ... + 875114.

It is an arithmetic number, because the mean of its divisors is an integer number (15077591475).

Almost surely, 2^225140431544 is an apocalyptic number.

It is an amenable number.

225140431544 is an abundant number, since it is smaller than the sum of its proper divisors (257342495656).

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

225140431544 is a wasteful number, since it uses less digits than its factorization.

225140431544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326223 (or 326219 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 225140431544 in words is "two hundred twenty-five billion, one hundred forty million, four hundred thirty-one thousand, five hundred forty-four".