2021440344514 has 24 divisors (see below), whose sum is σ = 3142524502260. Its totient is φ = 975183690432.

The previous prime is 2021440344509. The next prime is 2021440344587. The reversal of 2021440344514 is 4154430441202.

It can be written as a sum of positive squares in 6 ways, for example, as 630939496489 + 1390500848025 = 794317^2 + 1179195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021440344514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983072 + ... + 2824084.

Almost surely, 2^{2021440344514} is an apocalyptic number.

2021440344514 is a deficient number, since it is larger than the sum of its proper divisors (1121084157746).

2021440344514 is a wasteful number, since it uses less digits than its factorization.

2021440344514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842502 (or 842473 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 2021440344514 its reverse (4154430441202), we get a palindrome (6175870785716).

The spelling of 2021440344514 in words is "two trillion, twenty-one billion, four hundred forty million, three hundred forty-four thousand, five hundred fourteen".