4404040440 has 64 divisors (see below), whose sum is σ = 13569219360. Its totient is φ = 1142668800.

The previous prime is 4404040409. The next prime is 4404040447. The reversal of 4404040440 is 440404044.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4404040440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404040447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491511 + ... + 500390.

Almost surely, 2^4404040440 is an apocalyptic number.

4404040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404040440 is an abundant number, since it is smaller than the sum of its proper divisors (9165178920).

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

4404040440 is a wasteful number, since it uses less digits than its factorization.

4404040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991952 (or 991948 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4404040440 is about 66362.9447809544. The cubic root of 4404040440 is about 1639.1439663001.

Adding to 4404040440 its reverse (440404044), we get a palindrome (4844444484).

The spelling of 4404040440 in words is "four billion, four hundred four million, forty thousand, four hundred forty".