4012442142 has 16 divisors (see below), whose sum is σ = 8055400320. Its totient is φ = 1332394712.

The previous prime is 4012442129. The next prime is 4012442143. The reversal of 4012442142 is 2412442104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012442143) 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, 1269792 + ... + 1272947.

It is an arithmetic number, because the mean of its divisors is an integer number (503462520).

Almost surely, 2^4012442142 is an apocalyptic number.

4012442142 is an abundant number, since it is smaller than the sum of its proper divisors (4042958178).

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

4012442142 is a wasteful number, since it uses less digits than its factorization.

4012442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543007.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4012442142 is about 63343.8406003299. The cubic root of 4012442142 is about 1589.0452374872.

Adding to 4012442142 its reverse (2412442104), we get a palindrome (6424884246).

The spelling of 4012442142 in words is "four billion, twelve million, four hundred forty-two thousand, one hundred forty-two".