4440440444 has 48 divisors (see below), whose sum is σ = 9150865920. Its totient is φ = 1864040640.

The previous prime is 4440440393. The next prime is 4440440483.

4440440444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4440440444² = 39435022673421834272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4440440444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46304 + ... + 104999.

It is an arithmetic number, because the mean of its divisors is an integer number (190643040).

Almost surely, 2^4440440444 is an apocalyptic number.

4440440444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4440440444 is an abundant number, since it is smaller than the sum of its proper divisors (4710425476).

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

4440440444 is a wasteful number, since it uses less digits than its factorization.

4440440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151370 (or 151368 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 4440440444 is about 66636.6298967767. The cubic root of 4440440444 is about 1643.6474988318.

It can be divided in two parts, 44404 and 40444, that added together give a palindrome (84848).

The spelling of 4440440444 in words is "four billion, four hundred forty million, four hundred forty thousand, four hundred forty-four".