4021313344 has 28 divisors (see below), whose sum is σ = 8069465700. Its totient is φ = 1988062208.

The previous prime is 4021313323. The next prime is 4021313357. The reversal of 4021313344 is 4433131204.

It can be written as a sum of positive squares in 2 ways, for example, as 2392383744 + 1628929600 = 48912^2 + 40360^2 .

It is a super-2 number, since 2×4021313344² = 32341922021264924672, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 347299 + ... + 358690.

Almost surely, 2^4021313344 is an apocalyptic number.

It is an amenable number.

4021313344 is an abundant number, since it is smaller than the sum of its proper divisors (4048152356).

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

4021313344 is an equidigital number, since it uses as much as digits as its factorization.

4021313344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706090 (or 706080 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4021313344 is about 63413.8261264844. The cubic root of 4021313344 is about 1590.2154612225.

Adding to 4021313344 its reverse (4433131204), we get a palindrome (8454444548).

The spelling of 4021313344 in words is "four billion, twenty-one million, three hundred thirteen thousand, three hundred forty-four".