2031440044 has 48 divisors (see below), whose sum is σ = 3715036416. Its totient is φ = 970905600.

The previous prime is 2031440029. The next prime is 2031440077. The reversal of 2031440044 is 4400441302.

It is a junction number, because it is equal to n+sod(n) for n = 2031439997 and 2031440024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6027844 + ... + 6028180.

It is an arithmetic number, because the mean of its divisors is an integer number (77396592).

Almost surely, 2^2031440044 is an apocalyptic number.

It is an amenable number.

2031440044 is a deficient number, since it is larger than the sum of its proper divisors (1683596372).

2031440044 is a wasteful number, since it uses less digits than its factorization.

2031440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2031440044 is about 45071.4992428697. The cubic root of 2031440044 is about 1266.4887499262.

Adding to 2031440044 its reverse (4400441302), we get a palindrome (6431881346).

The spelling of 2031440044 in words is "two billion, thirty-one million, four hundred forty thousand, forty-four".