18048544830 has 48 divisors (see below), whose sum is σ = 46979687664. Its totient is φ = 4807461120.

The previous prime is 18048544817. The next prime is 18048544831. The reversal of 18048544830 is 3844584081.

18048544830 is a `hidden beast` number, since 1 + 80 + 48 + 54 + 483 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048544831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34524 + ... + 193103.

It is an arithmetic number, because the mean of its divisors is an integer number (978743493).

Almost surely, 2^18048544830 is an apocalyptic number.

18048544830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18048544830 is an abundant number, since it is smaller than the sum of its proper divisors (28931142834).

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

18048544830 is a wasteful number, since it uses less digits than its factorization.

18048544830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228521 (or 228518 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 18048544830 in words is "eighteen billion, forty-eight million, five hundred forty-four thousand, eight hundred thirty".