40204322 has 16 divisors (see below), whose sum is σ = 63070272. Its totient is φ = 19184880.

The previous prime is 40204321. The next prime is 40204327. The reversal of 40204322 is 22340204.

It is a self number, because there is not a number n which added to its sum of digits gives 40204322.

It is not an unprimeable number, because it can be changed into a prime (40204321) 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, 30497 + ... + 31787.

It is an arithmetic number, because the mean of its divisors is an integer number (3941892).

Almost surely, 2^40204322 is an apocalyptic number.

40204322 is a deficient number, since it is larger than the sum of its proper divisors (22865950).

40204322 is a wasteful number, since it uses less digits than its factorization.

40204322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40204322 is about 6340.6878175794. The cubic root of 40204322 is about 342.5765101597.

Adding to 40204322 its reverse (22340204), we get a palindrome (62544526).

The spelling of 40204322 in words is "forty million, two hundred four thousand, three hundred twenty-two".