2144020412 has 12 divisors (see below), whose sum is σ = 3762097416. Its totient is φ = 1069135440.

The previous prime is 2144020397. The next prime is 2144020423. The reversal of 2144020412 is 2140204412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717014 + ... + 719997.

It is an arithmetic number, because the mean of its divisors is an integer number (313508118).

Almost surely, 2^2144020412 is an apocalyptic number.

It is an amenable number.

2144020412 is a deficient number, since it is larger than the sum of its proper divisors (1618077004).

2144020412 is a wasteful number, since it uses less digits than its factorization.

2144020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437388 (or 1437386 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2144020412 is about 46303.5680266651. The cubic root of 2144020412 is about 1289.4652375550.

Adding to 2144020412 its reverse (2140204412), we get a palindrome (4284224824).

The spelling of 2144020412 in words is "two billion, one hundred forty-four million, twenty thousand, four hundred twelve".