40013422 has 16 divisors (see below), whose sum is σ = 62830080. Its totient is φ = 19075672.

The previous prime is 40013419. The next prime is 40013423. The reversal of 40013422 is 22431004.

40013422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40013396 and 40013405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013423) 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 7 ways as a sum of consecutive naturals, for example, 15303 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (3926880).

Almost surely, 2^40013422 is an apocalyptic number.

40013422 is a deficient number, since it is larger than the sum of its proper divisors (22816658).

40013422 is a wasteful number, since it uses less digits than its factorization.

40013422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40013422 is about 6325.6163336073. The cubic root of 40013422 is about 342.0334372196.

Adding to 40013422 its reverse (22431004), we get a palindrome (62444426).

The spelling of 40013422 in words is "forty million, thirteen thousand, four hundred twenty-two".