4013344412 has 72 divisors (see below), whose sum is σ = 9025954560. Its totient is φ = 1543782240.

The previous prime is 4013344403. The next prime is 4013344441. The reversal of 4013344412 is 2144433104.

It is a super-2 number, since 2×4013344412² = 32213866738663251488, 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158543 + ... + 182105.

It is an arithmetic number, because the mean of its divisors is an integer number (125360480).

Almost surely, 2^4013344412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4013344412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4512977280).

4013344412 is an abundant number, since it is smaller than the sum of its proper divisors (5012610148).

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

4013344412 is a wasteful number, since it uses less digits than its factorization.

4013344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23671 (or 23662 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4013344412 is about 63350.9622026375. The cubic root of 4013344412 is about 1589.1643370565.

Adding to 4013344412 its reverse (2144433104), we get a palindrome (6157777516).

The spelling of 4013344412 in words is "four billion, thirteen million, three hundred forty-four thousand, four hundred twelve".