41223440 has 20 divisors (see below), whose sum is σ = 95844684. Its totient is φ = 16489344.

The previous prime is 41223433. The next prime is 41223461. The reversal of 41223440 is 4432214.

It can be written as a sum of positive squares in 2 ways, for example, as 4596736 + 36626704 = 2144^2 + 6052^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 257567 + ... + 257726.

Almost surely, 2^41223440 is an apocalyptic number.

41223440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41223440 is an abundant number, since it is smaller than the sum of its proper divisors (54621244).

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

41223440 is a wasteful number, since it uses less digits than its factorization.

41223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515306 (or 515300 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 41223440 is about 6420.5482631937. The cubic root of 41223440 is about 345.4469876631.

Adding to 41223440 its reverse (4432214), we get a palindrome (45655654).

The spelling of 41223440 in words is "forty-one million, two hundred twenty-three thousand, four hundred forty".