40322243 has 8 divisors (see below), whose sum is σ = 45312288. Its totient is φ = 35601984.

The previous prime is 40322213. The next prime is 40322263. The reversal of 40322243 is 34222304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40322243 - 2⁶ = 40322179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40322213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67130 + ... + 67727.

It is an arithmetic number, because the mean of its divisors is an integer number (5664036).

Almost surely, 2^40322243 is an apocalyptic number.

40322243 is a deficient number, since it is larger than the sum of its proper divisors (4990045).

40322243 is a wasteful number, since it uses less digits than its factorization.

40322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134893.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40322243 is about 6349.9797637473. The cubic root of 40322243 is about 342.9111137673.

Adding to 40322243 its reverse (34222304), we get a palindrome (74544547).

The spelling of 40322243 in words is "forty million, three hundred twenty-two thousand, two hundred forty-three".