4000440364 has 6 divisors (see below), whose sum is σ = 7000770644. Its totient is φ = 2000220180.

The previous prime is 4000440361. The next prime is 4000440383. The reversal of 4000440364 is 4630440004.

It is a happy number.

4000440364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 500055042 + ... + 500055049.

Almost surely, 2^4000440364 is an apocalyptic number.

It is an amenable number.

4000440364 is a deficient number, since it is larger than the sum of its proper divisors (3000330280).

4000440364 is a wasteful number, since it uses less digits than its factorization.

4000440364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000110095 (or 1000110093 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4000440364 is about 63249.0344906545. The cubic root of 4000440364 is about 1587.4593026870.

Adding to 4000440364 its reverse (4630440004), we get a palindrome (8630880368).

The spelling of 4000440364 in words is "four billion, four hundred forty thousand, three hundred sixty-four".