4020313444 has 48 divisors (see below), whose sum is σ = 8116093440. Its totient is φ = 1706889600.

The previous prime is 4020313441. The next prime is 4020313447. The reversal of 4020313444 is 4443130204.

It is an interprime number because it is at equal distance from previous prime (4020313441) and next prime (4020313447).

It is a super-2 number, since 2×4020313444² = 32325840376014282272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020313441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1708869 + ... + 1711219.

It is an arithmetic number, because the mean of its divisors is an integer number (169085280).

Almost surely, 2^4020313444 is an apocalyptic number.

It is an amenable number.

4020313444 is an abundant number, since it is smaller than the sum of its proper divisors (4095779996).

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

4020313444 is a wasteful number, since it uses less digits than its factorization.

4020313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2906 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4020313444 is about 63405.9417089597. The cubic root of 4020313444 is about 1590.0836478810.

Adding to 4020313444 its reverse (4443130204), we get a palindrome (8463443648).

The spelling of 4020313444 in words is "four billion, twenty million, three hundred thirteen thousand, four hundred forty-four".