8142281862 has 64 divisors (see below), whose sum is σ = 19199690496. Its totient is φ = 2269445760.

The previous prime is 8142281809. The next prime is 8142281887. The reversal of 8142281862 is 2681822418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226048 + ... + 259580.

It is an arithmetic number, because the mean of its divisors is an integer number (299995164).

Almost surely, 2^8142281862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8142281862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9599845248).

8142281862 is an abundant number, since it is smaller than the sum of its proper divisors (11057408634).

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

8142281862 is a wasteful number, since it uses less digits than its factorization.

8142281862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33845.

The product of its digits is 98304, while the sum is 42.

The square root of 8142281862 is about 90234.5934883069. The cubic root of 8142281862 is about 2011.7872161265.

The spelling of 8142281862 in words is "eight billion, one hundred forty-two million, two hundred eighty-one thousand, eight hundred sixty-two".