18448384932 has 48 divisors (see below), whose sum is σ = 50346475200. Its totient is φ = 5825805120.

The previous prime is 18448384931. The next prime is 18448384949. The reversal of 18448384932 is 23948384481.

18448384932 is a `hidden beast` number, since 1 + 84 + 48 + 38 + 493 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (18448384931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4493169 + ... + 4497272.

It is an arithmetic number, because the mean of its divisors is an integer number (1048884900).

Almost surely, 2^18448384932 is an apocalyptic number.

18448384932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18448384932 is an abundant number, since it is smaller than the sum of its proper divisors (31898090268).

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

18448384932 is a wasteful number, since it uses less digits than its factorization.

18448384932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990473 (or 8990465 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 18448384932 in words is "eighteen billion, four hundred forty-eight million, three hundred eighty-four thousand, nine hundred thirty-two".