2140423242 has 32 divisors (see below), whose sum is σ = 4433287680. Its totient is φ = 688121280.

The previous prime is 2140423237. The next prime is 2140423277. The reversal of 2140423242 is 2423240412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166228 + ... + 178640.

It is an arithmetic number, because the mean of its divisors is an integer number (138540240).

Almost surely, 2^2140423242 is an apocalyptic number.

2140423242 is an abundant number, since it is smaller than the sum of its proper divisors (2292864438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140423242 is a wasteful number, since it uses less digits than its factorization.

2140423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2140423242 is about 46264.7083855502. The cubic root of 2140423242 is about 1288.7436924721.

Adding to 2140423242 its reverse (2423240412), we get a palindrome (4563663654).

The spelling of 2140423242 in words is "two billion, one hundred forty million, four hundred twenty-three thousand, two hundred forty-two".