18542650230 has 96 divisors (see below), whose sum is σ = 52122286944. Its totient is φ = 4546510848.

The previous prime is 18542650229. The next prime is 18542650267. The reversal of 18542650230 is 3205624581.

18542650230 is a `hidden beast` number, since 1 + 85 + 42 + 6 + 502 + 30 = 666.

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 47 ways as a sum of consecutive naturals, for example, 269857 + ... + 331523.

It is an arithmetic number, because the mean of its divisors is an integer number (542940489).

Almost surely, 2^18542650230 is an apocalyptic number.

18542650230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18542650230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26061143472).

18542650230 is an abundant number, since it is smaller than the sum of its proper divisors (33579636714).

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

18542650230 is a wasteful number, since it uses less digits than its factorization.

18542650230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61950 (or 61947 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 18542650230 in words is "eighteen billion, five hundred forty-two million, six hundred fifty thousand, two hundred thirty".