18340050 has 24 divisors (see below), whose sum is σ = 45483696. Its totient is φ = 4890640.

The previous prime is 18340043. The next prime is 18340051. The reversal of 18340050 is 5004381.

It is a junction number, because it is equal to n+sod(n) for n = 18339999 and 18340026.

It is not an unprimeable number, because it can be changed into a prime (18340051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60984 + ... + 61283.

It is an arithmetic number, because the mean of its divisors is an integer number (1895154).

Almost surely, 2^18340050 is an apocalyptic number.

18340050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18340050 is an abundant number, since it is smaller than the sum of its proper divisors (27143646).

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

18340050 is a wasteful number, since it uses less digits than its factorization.

18340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122282 (or 122277 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 18340050 is about 4282.5284587496. The cubic root of 18340050 is about 263.7141936822.

The spelling of 18340050 in words is "eighteen million, three hundred forty thousand, fifty".