4001322844 has 12 divisors (see below), whose sum is σ = 7414215984. Its totient is φ = 1882975424.

The previous prime is 4001322797. The next prime is 4001322869. The reversal of 4001322844 is 4482231004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29421424 + ... + 29421559.

It is an arithmetic number, because the mean of its divisors is an integer number (617851332).

Almost surely, 2^4001322844 is an apocalyptic number.

It is an amenable number.

4001322844 is a deficient number, since it is larger than the sum of its proper divisors (3412893140).

4001322844 is a wasteful number, since it uses less digits than its factorization.

4001322844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58843004 (or 58843002 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4001322844 is about 63256.0103389393. The cubic root of 4001322844 is about 1587.5760230111.

Adding to 4001322844 its reverse (4482231004), we get a palindrome (8483553848).

The spelling of 4001322844 in words is "four billion, one million, three hundred twenty-two thousand, eight hundred forty-four".