4002641444 has 12 divisors (see below), whose sum is σ = 7020437424. Its totient is φ = 1996802184.

The previous prime is 4002641443. The next prime is 4002641473. The reversal of 4002641444 is 4441462004.

It is a super-2 number, since 2×4002641444² = 32042277058452810272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4002641443) 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 in 3 ways as a sum of consecutive naturals, for example, 1127642 + ... + 1131185.

It is an arithmetic number, because the mean of its divisors is an integer number (585036452).

Almost surely, 2^4002641444 is an apocalyptic number.

It is an amenable number.

4002641444 is a deficient number, since it is larger than the sum of its proper divisors (3017795980).

4002641444 is a wasteful number, since it uses less digits than its factorization.

4002641444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259274 (or 2259272 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 4002641444 is about 63266.4322053963. The cubic root of 4002641444 is about 1587.7503943308.

The spelling of 4002641444 in words is "four billion, two million, six hundred forty-one thousand, four hundred forty-four".