226500040 has 32 divisors (see below), whose sum is σ = 548828280. Its totient is φ = 83630592.

The previous prime is 226500037. The next prime is 226500047. The reversal of 226500040 is 40005622.

It can be written as a sum of positive squares in 4 ways, for example, as 203975524 + 22524516 = 14282^2 + 4746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 226499990 and 226500017.

It is not an unprimeable number, because it can be changed into a prime (226500047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217269 + ... + 218308.

Almost surely, 2^226500040 is an apocalyptic number.

226500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226500040 is an abundant number, since it is smaller than the sum of its proper divisors (322328240).

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

226500040 is a wasteful number, since it uses less digits than its factorization.

226500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435601 (or 435597 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 226500040 is about 15049.9182722033. The cubic root of 226500040 is about 609.5688434027.

Adding to 226500040 its reverse (40005622), we get a palindrome (266505662).

The spelling of 226500040 in words is "two hundred twenty-six million, five hundred thousand, forty".