4000143244 has 6 divisors (see below), whose sum is σ = 7000250684. Its totient is φ = 2000071620.

The previous prime is 4000143227. The next prime is 4000143271. The reversal of 4000143244 is 4423410004.

It is a super-2 number, since 2×4000143244² = 32002291945037687072, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500017902 + ... + 500017909.

Almost surely, 2^4000143244 is an apocalyptic number.

It is an amenable number.

4000143244 is a deficient number, since it is larger than the sum of its proper divisors (3000107440).

4000143244 is a wasteful number, since it uses less digits than its factorization.

4000143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000035815 (or 1000035813 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4000143244 is about 63246.6856364822. The cubic root of 4000143244 is about 1587.4200005484.

Adding to 4000143244 its reverse (4423410004), we get a palindrome (8423553248).

The spelling of 4000143244 in words is "four billion, one hundred forty-three thousand, two hundred forty-four".