40402322 has 8 divisors (see below), whose sum is σ = 63793200. Its totient is φ = 19137924.

The previous prime is 40402309. The next prime is 40402333. The reversal of 40402322 is 22320404.

40402322 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 a self number, because there is not a number n which added to its sum of digits gives 40402322.

It is an unprimeable number.

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, 531572 + ... + 531647.

It is an arithmetic number, because the mean of its divisors is an integer number (7974150).

Almost surely, 2^40402322 is an apocalyptic number.

40402322 is a deficient number, since it is larger than the sum of its proper divisors (23390878).

40402322 is a wasteful number, since it uses less digits than its factorization.

40402322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063240.

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

The square root of 40402322 is about 6356.2820893979. The cubic root of 40402322 is about 343.1379680523.

Adding to 40402322 its reverse (22320404), we get a palindrome (62722726).

The spelling of 40402322 in words is "forty million, four hundred two thousand, three hundred twenty-two".