18080050 has 48 divisors (see below), whose sum is σ = 35834760. Its totient is φ = 6773760.

The previous prime is 18080033. The next prime is 18080059. The reversal of 18080050 is 5008081.

It can be written as a sum of positive squares in 12 ways, for example, as 2374681 + 15705369 = 1541^2 + 3963^2 .

It is not an unprimeable number, because it can be changed into a prime (18080059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53482 + ... + 53818.

Almost surely, 2^18080050 is an apocalyptic number.

18080050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18080050 is a deficient number, since it is larger than the sum of its proper divisors (17754710).

18080050 is a wasteful number, since it uses less digits than its factorization.

18080050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18080050 is about 4252.0642045952. The cubic root of 18080050 is about 262.4620655689.

The spelling of 18080050 in words is "eighteen million, eighty thousand, fifty".