4400000440 has 48 divisors (see below), whose sum is σ = 10881831240. Its totient is φ = 1599998400.

The previous prime is 4400000431. The next prime is 4400000459. The reversal of 4400000440 is 440000044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449706 + ... + 459385.

Almost surely, 2^4400000440 is an apocalyptic number.

4400000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400000440 is an abundant number, since it is smaller than the sum of its proper divisors (6481830800).

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

4400000440 is a wasteful number, since it uses less digits than its factorization.

4400000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909124 (or 909109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4400000440 is about 66332.4991237327. The cubic root of 4400000440 is about 1638.6425958227.

Adding to 4400000440 its reverse (440000044), we get a palindrome (4840000484).

It can be divided in two parts, 44000004 and 40, that added together give a palindrome (44000044).

The spelling of 4400000440 in words is "four billion, four hundred million, four hundred forty", and thus it is an aban number.