2140330442 has 8 divisors (see below), whose sum is σ = 3321202500. Its totient is φ = 1033262944.

The previous prime is 2140330441. The next prime is 2140330457. The reversal of 2140330442 is 2440330412.

It can be written as a sum of positive squares in 2 ways, for example, as 1950193921 + 190136521 = 44161^2 + 13789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2140330442³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140330441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18451067 + ... + 18451182.

Almost surely, 2^2140330442 is an apocalyptic number.

2140330442 is a deficient number, since it is larger than the sum of its proper divisors (1180872058).

2140330442 is a wasteful number, since it uses less digits than its factorization.

2140330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36902280.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2140330442 is about 46263.7054503852. The cubic root of 2140330442 is about 1288.7250673172.

Adding to 2140330442 its reverse (2440330412), we get a palindrome (4580660854).

The spelling of 2140330442 in words is "two billion, one hundred forty million, three hundred thirty thousand, four hundred forty-two".