4019195142 has 24 divisors (see below), whose sum is σ = 8713083600. Its totient is φ = 1338989040.

The previous prime is 4019195119. The next prime is 4019195143. The reversal of 4019195142 is 2415919104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4019195097 and 4019195106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019195143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28017 + ... + 93932.

It is an arithmetic number, because the mean of its divisors is an integer number (363045150).

Almost surely, 2^4019195142 is an apocalyptic number.

4019195142 is an abundant number, since it is smaller than the sum of its proper divisors (4693888458).

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

4019195142 is a wasteful number, since it uses less digits than its factorization.

4019195142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123788 (or 123785 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4019195142 is about 63397.1225056784. The cubic root of 4019195142 is about 1589.9362001219.

The spelling of 4019195142 in words is "four billion, nineteen million, one hundred ninety-five thousand, one hundred forty-two".