40243310 has 16 divisors (see below), whose sum is σ = 73666800. Its totient is φ = 15824256.

The previous prime is 40243303. The next prime is 40243319. The reversal of 40243310 is 1334204.

It is a super-2 number, since 2×40243310² = 3239047999512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243319) 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, 33515 + ... + 34694.

It is an arithmetic number, because the mean of its divisors is an integer number (4604175).

Almost surely, 2^40243310 is an apocalyptic number.

40243310 is a deficient number, since it is larger than the sum of its proper divisors (33423490).

40243310 is a wasteful number, since it uses less digits than its factorization.

40243310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68275.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40243310 is about 6343.7615024526. The cubic root of 40243310 is about 342.6872118389.

Adding to 40243310 its reverse (1334204), we get a palindrome (41577514).

The spelling of 40243310 in words is "forty million, two hundred forty-three thousand, three hundred ten".