4044405318 has 16 divisors (see below), whose sum is σ = 8103604800. Its totient is φ = 1345669416.

The previous prime is 4044405293. The next prime is 4044405329. The reversal of 4044405318 is 8135044404.

It is a super-2 number, since 2×4044405318² = 32714428752533362248, 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, 612868 + ... + 619431.

It is an arithmetic number, because the mean of its divisors is an integer number (506475300).

Almost surely, 2^4044405318 is an apocalyptic number.

4044405318 is an abundant number, since it is smaller than the sum of its proper divisors (4059199482).

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

4044405318 is a wasteful number, since it uses less digits than its factorization.

4044405318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232851.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 4044405318 is about 63595.6391429475. The cubic root of 4044405318 is about 1593.2535356923.

The spelling of 4044405318 in words is "four billion, forty-four million, four hundred five thousand, three hundred eighteen".