42867944818 has 16 divisors (see below), whose sum is σ = 67867715520. Its totient is φ = 20251422576.

The previous prime is 42867944813. The next prime is 42867944831. The reversal of 42867944818 is 81844976824.

It is not an unprimeable number, because it can be changed into a prime (42867944813) 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, 1498030 + ... + 1526377.

It is an arithmetic number, because the mean of its divisors is an integer number (4241732220).

Almost surely, 2^42867944818 is an apocalyptic number.

42867944818 is a deficient number, since it is larger than the sum of its proper divisors (24999770702).

42867944818 is a wasteful number, since it uses less digits than its factorization.

42867944818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024801.

The product of its digits is 24772608, while the sum is 61.

The spelling of 42867944818 in words is "forty-two billion, eight hundred sixty-seven million, nine hundred forty-four thousand, eight hundred eighteen".