225041100400 has 60 divisors (see below), whose sum is σ = 548067633232. Its totient is φ = 88783326720.

The previous prime is 225041100391. The next prime is 225041100443. The reversal of 225041100400 is 4001140522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3824244 + ... + 3882643.

Almost surely, 2^225041100400 is an apocalyptic number.

225041100400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225041100400 is an abundant number, since it is smaller than the sum of its proper divisors (323026532832).

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

225041100400 is a wasteful number, since it uses less digits than its factorization.

225041100400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706978 (or 7706967 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 225041100400 its reverse (4001140522), we get a palindrome (229042240922).

The spelling of 225041100400 in words is "two hundred twenty-five billion, forty-one million, one hundred thousand, four hundred".