40223841 has 24 divisors (see below), whose sum is σ = 63654720. Its totient is φ = 22106112.

The previous prime is 40223837. The next prime is 40223851. The reversal of 40223841 is 14832204.

It is not a de Polignac number, because 40223841 - 2² = 40223837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223831) 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 23 ways as a sum of consecutive naturals, for example, 156385 + ... + 156641.

It is an arithmetic number, because the mean of its divisors is an integer number (2652280).

Almost surely, 2^40223841 is an apocalyptic number.

It is an amenable number.

40223841 is a deficient number, since it is larger than the sum of its proper divisors (23430879).

40223841 is an equidigital number, since it uses as much as digits as its factorization.

40223841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40223841 is about 6342.2268171361. The cubic root of 40223841 is about 342.6319409255.

The spelling of 40223841 in words is "forty million, two hundred twenty-three thousand, eight hundred forty-one".