4440400240 has 40 divisors (see below), whose sum is σ = 10772801568. Its totient is φ = 1698935040.

The previous prime is 4440400219. The next prime is 4440400271. The reversal of 4440400240 is 420040444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204791 + ... + 1208470.

Almost surely, 2^4440400240 is an apocalyptic number.

4440400240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440400240 is an abundant number, since it is smaller than the sum of its proper divisors (6332401328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4440400240 is a wasteful number, since it uses less digits than its factorization.

4440400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413297 (or 2413291 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4440400240 is about 66636.3282301779. The cubic root of 4440400240 is about 1643.6425382575.

Adding to 4440400240 its reverse (420040444), we get a palindrome (4860440684).

The spelling of 4440400240 in words is "four billion, four hundred forty million, four hundred thousand, two hundred forty".