4244440402 has 8 divisors (see below), whose sum is σ = 6367939200. Its totient is φ = 2121794004.

The previous prime is 4244440379. The next prime is 4244440433. The reversal of 4244440402 is 2040444424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4244440402² = 36030548652259843208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200502 + ... + 220657.

It is an arithmetic number, because the mean of its divisors is an integer number (795992400).

Almost surely, 2^4244440402 is an apocalyptic number.

4244440402 is a deficient number, since it is larger than the sum of its proper divisors (2123498798).

4244440402 is a wasteful number, since it uses less digits than its factorization.

4244440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426200.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4244440402 is about 65149.3699278819. The cubic root of 4244440402 is about 1619.0992810851.

Adding to 4244440402 its reverse (2040444424), we get a palindrome (6284884826).

The spelling of 4244440402 in words is "four billion, two hundred forty-four million, four hundred forty thousand, four hundred two".