225653134240 has 48 divisors (see below), whose sum is σ = 551488490280. Its totient is φ = 87148794880.

The previous prime is 225653134237. The next prime is 225653134241. The reversal of 225653134240 is 42431356522.

It can be written as a sum of positive squares in 4 ways, for example, as 154477297296 + 71175836944 = 393036^2 + 266788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225653134240.

It is not an unprimeable number, because it can be changed into a prime (225653134241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24311431 + ... + 24320710.

Almost surely, 2^225653134240 is an apocalyptic number.

225653134240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225653134240 is an abundant number, since it is smaller than the sum of its proper divisors (325835356040).

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

225653134240 is a wasteful number, since it uses less digits than its factorization.

225653134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48632185 (or 48632177 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 225653134240 in words is "two hundred twenty-five billion, six hundred fifty-three million, one hundred thirty-four thousand, two hundred forty".