4000440368 has 10 divisors (see below), whose sum is σ = 7750853244. Its totient is φ = 2000220176.

The previous prime is 4000440361. The next prime is 4000440383. The reversal of 4000440368 is 8630440004.

It is a self number, because there is not a number n which added to its sum of digits gives 4000440368.

It is not an unprimeable number, because it can be changed into a prime (4000440361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125013746 + ... + 125013777.

Almost surely, 2^4000440368 is an apocalyptic number.

It is an amenable number.

4000440368 is a deficient number, since it is larger than the sum of its proper divisors (3750412876).

4000440368 is a wasteful number, since it uses less digits than its factorization.

4000440368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250027531 (or 250027525 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4000440368 is about 63249.0345222755. The cubic root of 4000440368 is about 1587.4593032161.

The spelling of 4000440368 in words is "four billion, four hundred forty thousand, three hundred sixty-eight".