18202063842 has 24 divisors (see below), whose sum is σ = 39912962544. Its totient is φ = 5994253464.

The previous prime is 18202063793. The next prime is 18202063903. The reversal of 18202063842 is 24836020281.

18202063842 is a `hidden beast` number, since 18 + 2 + 0 + 2 + 0 + 638 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18202063797 and 18202063806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6090228 + ... + 6093215.

It is an arithmetic number, because the mean of its divisors is an integer number (1663040106).

Almost surely, 2^18202063842 is an apocalyptic number.

18202063842 is an abundant number, since it is smaller than the sum of its proper divisors (21710898702).

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

18202063842 is a wasteful number, since it uses less digits than its factorization.

18202063842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12183534 (or 12183531 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 18202063842 in words is "eighteen billion, two hundred two million, sixty-three thousand, eight hundred forty-two".