225301012040 has 32 divisors (see below), whose sum is σ = 545921684280. Its totient is φ = 83188065792.

The previous prime is 225301012037. The next prime is 225301012051. The reversal of 225301012040 is 40210103522.

It can be written as a sum of positive squares in 4 ways, for example, as 96737172676 + 128563839364 = 311026^2 + 358558^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 216635069 + ... + 216636108.

Almost surely, 2^225301012040 is an apocalyptic number.

225301012040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225301012040 is an abundant number, since it is smaller than the sum of its proper divisors (320620672240).

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

225301012040 is a wasteful number, since it uses less digits than its factorization.

225301012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433271201 (or 433271197 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 225301012040 its reverse (40210103522), we get a palindrome (265511115562).

The spelling of 225301012040 in words is "two hundred twenty-five billion, three hundred one million, twelve thousand, forty".