2101440424 has 16 divisors (see below), whose sum is σ = 3966297120. Its totient is φ = 1043761200.

The previous prime is 2101440391. The next prime is 2101440433. The reversal of 2101440424 is 4240441012.

It is a junction number, because it is equal to n+sod(n) for n = 2101440395 and 2101440404.

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 3 ways as a sum of consecutive naturals, for example, 868594 + ... + 871009.

It is an arithmetic number, because the mean of its divisors is an integer number (247893570).

Almost surely, 2^2101440424 is an apocalyptic number.

It is an amenable number.

2101440424 is a deficient number, since it is larger than the sum of its proper divisors (1864856696).

2101440424 is a wasteful number, since it uses less digits than its factorization.

2101440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739760 (or 1739756 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2101440424 is about 45841.4705697799. The cubic root of 2101440424 is about 1280.8718880640.

Adding to 2101440424 its reverse (4240441012), we get a palindrome (6341881436).

The spelling of 2101440424 in words is "two billion, one hundred one million, four hundred forty thousand, four hundred twenty-four".