226420160440 has 32 divisors (see below), whose sum is σ = 510423230160. Its totient is φ = 90394220800.

The previous prime is 226420160359. The next prime is 226420160459. The reversal of 226420160440 is 44061024622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411506 + ... + 5453185.

Almost surely, 2^226420160440 is an apocalyptic number.

226420160440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226420160440 is an abundant number, since it is smaller than the sum of its proper divisors (284003069720).

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

226420160440 is a wasteful number, since it uses less digits than its factorization.

226420160440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865223 (or 10865219 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 226420160440 in words is "two hundred twenty-six billion, four hundred twenty million, one hundred sixty thousand, four hundred forty".