2144240642 has 16 divisors (see below), whose sum is σ = 3374965440. Its totient is φ = 1019773392.

The previous prime is 2144240629. The next prime is 2144240647. The reversal of 2144240642 is 2460424412.

It is not an unprimeable number, because it can be changed into a prime (2144240647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121973 + ... + 138440.

It is an arithmetic number, because the mean of its divisors is an integer number (210935340).

Almost surely, 2^2144240642 is an apocalyptic number.

2144240642 is a deficient number, since it is larger than the sum of its proper divisors (1230724798).

2144240642 is a wasteful number, since it uses less digits than its factorization.

2144240642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260617.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 2144240642 is about 46305.9460760711. The cubic root of 2144240642 is about 1289.5093865760.

The spelling of 2144240642 in words is "two billion, one hundred forty-four million, two hundred forty thousand, six hundred forty-two".