18283819242 has 16 divisors (see below), whose sum is σ = 39380533920. Its totient is φ = 5625790512.

The previous prime is 18283819241. The next prime is 18283819261. The reversal of 18283819242 is 24291838281.

It is a junction number, because it is equal to n+sod(n) for n = 18283819191 and 18283819200.

It is not an unprimeable number, because it can be changed into a prime (18283819241) 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, 117203892 + ... + 117204047.

It is an arithmetic number, because the mean of its divisors is an integer number (2461283370).

Almost surely, 2^18283819242 is an apocalyptic number.

18283819242 is an abundant number, since it is smaller than the sum of its proper divisors (21096714678).

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

18283819242 is a wasteful number, since it uses less digits than its factorization.

18283819242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234407957.

The product of its digits is 442368, while the sum is 48.

The spelling of 18283819242 in words is "eighteen billion, two hundred eighty-three million, eight hundred nineteen thousand, two hundred forty-two".