18234365008 has 20 divisors (see below), whose sum is σ = 35337916180. Its totient is φ = 9114902784.

The previous prime is 18234364997. The next prime is 18234365027. The reversal of 18234365008 is 80056343281.

It can be written as a sum of positive squares in 2 ways, for example, as 15573043264 + 2661321744 = 124792^2 + 51588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75543 + ... + 205366.

It is an arithmetic number, because the mean of its divisors is an integer number (1766895809).

Almost surely, 2^18234365008 is an apocalyptic number.

It is an amenable number.

18234365008 is a deficient number, since it is larger than the sum of its proper divisors (17103551172).

18234365008 is a wasteful number, since it uses less digits than its factorization.

18234365008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284974 (or 284968 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 18234365008 in words is "eighteen billion, two hundred thirty-four million, three hundred sixty-five thousand, eight".