18427519350 has 36 divisors (see below), whose sum is σ = 49508603196. Its totient is φ = 4914005040.

The previous prime is 18427519343. The next prime is 18427519361. The reversal of 18427519350 is 5391572481.

18427519350 is a `hidden beast` number, since 1 + 84 + 2 + 7 + 519 + 3 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 18427519296 and 18427519305.

It is a congruent 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 17 ways as a sum of consecutive naturals, for example, 20474572 + ... + 20475471.

Almost surely, 2^18427519350 is an apocalyptic number.

18427519350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18427519350 is an abundant number, since it is smaller than the sum of its proper divisors (31081083846).

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

18427519350 is a wasteful number, since it uses less digits than its factorization.

18427519350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40950061 (or 40950053 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 18427519350 in words is "eighteen billion, four hundred twenty-seven million, five hundred nineteen thousand, three hundred fifty".