225413040424 has 64 divisors (see below), whose sum is σ = 497009882880. Its totient is φ = 94489248000.

The previous prime is 225413040401. The next prime is 225413040473. The reversal of 225413040424 is 424040314522.

It is a super-2 number, since 2×225413040424² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120929 + ... + 1306639.

It is an arithmetic number, because the mean of its divisors is an integer number (7765779420).

Almost surely, 2^225413040424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225413040424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248504941440).

225413040424 is an abundant number, since it is smaller than the sum of its proper divisors (271596842456).

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

225413040424 is a wasteful number, since it uses less digits than its factorization.

225413040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186802 (or 186798 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 225413040424 its reverse (424040314522), we get a palindrome (649453354946).

The spelling of 225413040424 in words is "two hundred twenty-five billion, four hundred thirteen million, forty thousand, four hundred twenty-four".