3140042442 has 8 divisors (see below), whose sum is σ = 6280084896. Its totient is φ = 1046680812.

The previous prime is 3140042431. The next prime is 3140042453. The reversal of 3140042442 is 2442400413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3140042431) and next prime (3140042453).

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

3140042442 is an admirable number.

It is a super-2 number, since 2×3140042442² = 19719733075122646728, which contains 22 as substring.

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, 261670198 + ... + 261670209.

It is an arithmetic number, because the mean of its divisors is an integer number (785010612).

Almost surely, 2^3140042442 is an apocalyptic number.

3140042442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3140042442 is a wasteful number, since it uses less digits than its factorization.

3140042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523340412.

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

The square root of 3140042442 is about 56036.0816081924. The cubic root of 3140042442 is about 1464.3509481064.

Adding to 3140042442 its reverse (2442400413), we get a palindrome (5582442855).

The spelling of 3140042442 in words is "three billion, one hundred forty million, forty-two thousand, four hundred forty-two".