4040402 has 16 divisors (see below), whose sum is σ = 6314112. Its totient is φ = 1937520.

The previous prime is 4040401. The next prime is 4040411. The reversal of 4040402 is 2040404.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (4040401) 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, 4577 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (394632).

Almost surely, 2^4040402 is an apocalyptic number.

4040402 is a deficient number, since it is larger than the sum of its proper divisors (2273710).

4040402 is a wasteful number, since it uses less digits than its factorization.

4040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4040402 is about 2010.0751229743. The cubic root of 4040402 is about 159.2727672950.

Adding to 4040402 its reverse (2040404), we get a palindrome (6080806).

The spelling of 4040402 in words is "four million, forty thousand, four hundred two".