8294642142 has 16 divisors (see below), whose sum is σ = 17565124752. Its totient is φ = 2602240640.

The previous prime is 8294642141. The next prime is 8294642171. The reversal of 8294642142 is 2412464928.

It is a junction number, because it is equal to n+sod(n) for n = 8294642094 and 8294642103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8294642141) 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, 40659909 + ... + 40660112.

It is an arithmetic number, because the mean of its divisors is an integer number (1097820297).

Almost surely, 2^8294642142 is an apocalyptic number.

8294642142 is an abundant number, since it is smaller than the sum of its proper divisors (9270482610).

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

8294642142 is a wasteful number, since it uses less digits than its factorization.

8294642142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81320043.

The product of its digits is 221184, while the sum is 42.

The square root of 8294642142 is about 91074.9259785590. The cubic root of 8294642142 is about 2024.2580946877.

The spelling of 8294642142 in words is "eight billion, two hundred ninety-four million, six hundred forty-two thousand, one hundred forty-two".