2140333444 has 12 divisors (see below), whose sum is σ = 3749161500. Its totient is φ = 1069144448.

The previous prime is 2140333441. The next prime is 2140333453. The reversal of 2140333444 is 4443330412.

It can be written as a sum of positive squares in 2 ways, for example, as 1428084100 + 712249344 = 37790^2 + 26688^2 .

It is a super-2 number, since 2×2140333444² = 9162054503009802272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140333441) 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 3 ways as a sum of consecutive naturals, for example, 250849 + ... + 259240.

It is an arithmetic number, because the mean of its divisors is an integer number (312430125).

Almost surely, 2^2140333444 is an apocalyptic number.

It is an amenable number.

2140333444 is a deficient number, since it is larger than the sum of its proper divisors (1608828056).

2140333444 is a wasteful number, since it uses less digits than its factorization.

2140333444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511142 (or 511140 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 2140333444 is about 46263.7378948135. The cubic root of 2140333444 is about 1288.7256698334.

Adding to 2140333444 its reverse (4443330412), we get a palindrome (6583663856).

The spelling of 2140333444 in words is "two billion, one hundred forty million, three hundred thirty-three thousand, four hundred forty-four".