40322018 has 8 divisors (see below), whose sum is σ = 65981520. Its totient is φ = 18328180.

The previous prime is 40322017. The next prime is 40322033. The reversal of 40322018 is 81022304.

40322018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (40322017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916388 + ... + 916431.

It is an arithmetic number, because the mean of its divisors is an integer number (8247690).

Almost surely, 2^40322018 is an apocalyptic number.

40322018 is a deficient number, since it is larger than the sum of its proper divisors (25659502).

40322018 is a wasteful number, since it uses less digits than its factorization.

40322018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832832.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40322018 is about 6349.9620471307. The cubic root of 40322018 is about 342.9104759461.

The spelling of 40322018 in words is "forty million, three hundred twenty-two thousand, eighteen".