4440043444 has 24 divisors (see below), whose sum is σ = 7865661440. Its totient is φ = 2192865696.

The previous prime is 4440043409. The next prime is 4440043451. The reversal of 4440043444 is 4443400444.

It is a super-2 number, since 2×4440043444² = 39427971569214762272, which contains 22 as substring.

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, 97249 + ... + 135415.

Almost surely, 2^4440043444 is an apocalyptic number.

It is an amenable number.

4440043444 is a deficient number, since it is larger than the sum of its proper divisors (3425617996).

4440043444 is a wasteful number, since it uses less digits than its factorization.

4440043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38527 (or 38525 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 4440043444 is about 66633.6509880706. The cubic root of 4440043444 is about 1643.5985136382.

Adding to 4440043444 its reverse (4443400444), we get a palindrome (8883443888).

The spelling of 4440043444 in words is "four billion, four hundred forty million, forty-three thousand, four hundred forty-four".