40432042 has 32 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 16921008.

The previous prime is 40432037. The next prime is 40432043. The reversal of 40432042 is 24023404.

40432042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40432043) 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 15 ways as a sum of consecutive naturals, for example, 153603 + ... + 153865.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^40432042 is an apocalyptic number.

40432042 is a deficient number, since it is larger than the sum of its proper divisors (30531158).

40432042 is a wasteful number, since it uses less digits than its factorization.

40432042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40432042 is about 6358.6195042635. The cubic root of 40432042 is about 343.2220850070. Note that the first 3 decimals are identical.

Adding to 40432042 its reverse (24023404), we get a palindrome (64455446).

The spelling of 40432042 in words is "forty million, four hundred thirty-two thousand, forty-two".