2031402444 has 48 divisors (see below), whose sum is σ = 4851366912. Its totient is φ = 661332672.

The previous prime is 2031402397. The next prime is 2031402511. The reversal of 2031402444 is 4442041302.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 134667 + ... + 148989.

It is an arithmetic number, because the mean of its divisors is an integer number (101070144).

Almost surely, 2^2031402444 is an apocalyptic number.

It is an amenable number.

2031402444 is an abundant number, since it is smaller than the sum of its proper divisors (2819964468).

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

2031402444 is a wasteful number, since it uses less digits than its factorization.

2031402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606 (or 14604 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2031402444 is about 45071.0821259042. The cubic root of 2031402444 is about 1266.4809360488.

Adding to 2031402444 its reverse (4442041302), we get a palindrome (6473443746).

The spelling of 2031402444 in words is "two billion, thirty-one million, four hundred two thousand, four hundred forty-four".