4404440 has 32 divisors (see below), whose sum is σ = 9990000. Its totient is φ = 1747584.

The previous prime is 4404437. The next prime is 4404451. The reversal of 4404440 is 444044.

4404440 = 194² + 195² + ... + 273².

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5591 + ... + 6329.

Almost surely, 2^4404440 is an apocalyptic number.

4404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404440 is an abundant number, since it is smaller than the sum of its proper divisors (5585560).

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

4404440 is a wasteful number, since it uses less digits than its factorization.

4404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4404440 is about 2098.6757729578. The cubic root of 4404440 is about 163.9193535672.

Adding to 4404440 its reverse (444044), we get a palindrome (4848484).

The spelling of 4404440 in words is "four million, four hundred four thousand, four hundred forty".