4066441402 has 4 divisors (see below), whose sum is σ = 6099662106. Its totient is φ = 2033220700.

The previous prime is 4066441367. The next prime is 4066441403. The reversal of 4066441402 is 2041446604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3183103561 + 883337841 = 56419^2 + 29721^2 .

It is not an unprimeable number, because it can be changed into a prime (4066441403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016610349 + ... + 1016610352.

Almost surely, 2^4066441402 is an apocalyptic number.

4066441402 is a deficient number, since it is larger than the sum of its proper divisors (2033220704).

4066441402 is a wasteful number, since it uses less digits than its factorization.

4066441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033220703.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 4066441402 is about 63768.6553253242. The cubic root of 4066441402 is about 1596.1419287500.

The spelling of 4066441402 in words is "four billion, sixty-six million, four hundred forty-one thousand, four hundred two".