4440440412 has 60 divisors (see below), whose sum is σ = 11614646736. Its totient is φ = 1479323520.

The previous prime is 4440440393. The next prime is 4440440483. The reversal of 4440440412 is 2140440444.

It is a super-2 number, since 2×4440440412² = 39435022105045459488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 938212 + ... + 942932.

Almost surely, 2^4440440412 is an apocalyptic number.

It is an amenable number.

4440440412 is an abundant number, since it is smaller than the sum of its proper divisors (7174206324).

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

4440440412 is a wasteful number, since it uses less digits than its factorization.

4440440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4440440412 is about 66636.6296566686. The cubic root of 4440440412 is about 1643.6474948835.

Adding to 4440440412 its reverse (2140440444), we get a palindrome (6580880856).

The spelling of 4440440412 in words is "four billion, four hundred forty million, four hundred forty thousand, four hundred twelve".