4405042 has 16 divisors (see below), whose sum is σ = 6969240. Its totient is φ = 2084992.

The previous prime is 4405031. The next prime is 4405043. The reversal of 4405042 is 2405044.

It can be written as a sum of positive squares in 4 ways, for example, as 4372281 + 32761 = 2091^2 + 181^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405043) 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, 2358 + ... + 3790.

Almost surely, 2^4405042 is an apocalyptic number.

4405042 is a deficient number, since it is larger than the sum of its proper divisors (2564198).

4405042 is a wasteful number, since it uses less digits than its factorization.

4405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4405042 is about 2098.8191918314. The cubic root of 4405042 is about 163.9268214069.

The spelling of 4405042 in words is "four million, four hundred five thousand, forty-two".