18202309074 has 24 divisors (see below), whose sum is σ = 39441242880. Its totient is φ = 6066989208.

The previous prime is 18202309061. The next prime is 18202309117. The reversal of 18202309074 is 47090320281.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292759 + ... + 349445.

It is an arithmetic number, because the mean of its divisors is an integer number (1643385120).

Almost surely, 2^18202309074 is an apocalyptic number.

18202309074 is an abundant number, since it is smaller than the sum of its proper divisors (21238933806).

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

18202309074 is a wasteful number, since it uses less digits than its factorization.

18202309074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74534 (or 74531 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 18202309074 in words is "eighteen billion, two hundred two million, three hundred nine thousand, seventy-four".