4002244019 has 4 divisors (see below), whose sum is σ = 4011530400. Its totient is φ = 3992957640.

The previous prime is 4002244013. The next prime is 4002244027. The reversal of 4002244019 is 9104422004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002244019 is a prime.

It is a super-2 number, since 2×4002244019² = 32035914375242544722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002244013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642544 + ... + 4643405.

It is an arithmetic number, because the mean of its divisors is an integer number (1002882600).

Almost surely, 2^4002244019 is an apocalyptic number.

4002244019 is a deficient number, since it is larger than the sum of its proper divisors (9286381).

4002244019 is an equidigital number, since it uses as much as digits as its factorization.

4002244019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9286380.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4002244019 is about 63263.2912438169. The cubic root of 4002244019 is about 1587.6978429848.

The spelling of 4002244019 in words is "four billion, two million, two hundred forty-four thousand, nineteen".