2140342250 has 32 divisors (see below), whose sum is σ = 4011435792. Its totient is φ = 855129600.

The previous prime is 2140342249. The next prime is 2140342271. The reversal of 2140342250 is 522430412.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 384983641 + 1755358609 = 19621^2 + 41897^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229682 + ... + 238818.

Almost surely, 2^2140342250 is an apocalyptic number.

2140342250 is a deficient number, since it is larger than the sum of its proper divisors (1871093542).

2140342250 is an equidigital number, since it uses as much as digits as its factorization.

2140342250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091 (or 10081 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2140342250 is about 46263.8330664462. The cubic root of 2140342250 is about 1288.7274372375.

Adding to 2140342250 its reverse (522430412), we get a palindrome (2662772662).

The spelling of 2140342250 in words is "two billion, one hundred forty million, three hundred forty-two thousand, two hundred fifty".