4142742636 has 48 divisors (see below), whose sum is σ = 9917107200. Its totient is φ = 1345267392.

The previous prime is 4142742619. The next prime is 4142742641. The reversal of 4142742636 is 6362472414.

It is a junction number, because it is equal to n+sod(n) for n = 4142742594 and 4142742603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190405 + ... + 211043.

It is an arithmetic number, because the mean of its divisors is an integer number (206606400).

Almost surely, 2^4142742636 is an apocalyptic number.

It is an amenable number.

4142742636 is an abundant number, since it is smaller than the sum of its proper divisors (5774364564).

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

4142742636 is a wasteful number, since it uses less digits than its factorization.

4142742636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21078 (or 21076 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 4142742636 is about 64364.1409171287. The cubic root of 4142742636 is about 1606.0632746428.

The spelling of 4142742636 in words is "four billion, one hundred forty-two million, seven hundred forty-two thousand, six hundred thirty-six".