18463928832 has 160 divisors (see below), whose sum is σ = 57531883200. Its totient is φ = 5830631424.

The previous prime is 18463928797. The next prime is 18463928839. The reversal of 18463928832 is 23882936481.

18463928832 is a `hidden beast` number, since 18 + 463 + 92 + 8 + 83 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18463928839) 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, 227508 + ... + 297804.

It is an arithmetic number, because the mean of its divisors is an integer number (359574270).

Almost surely, 2^18463928832 is an apocalyptic number.

18463928832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18463928832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28765941600).

18463928832 is an abundant number, since it is smaller than the sum of its proper divisors (39067954368).

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

18463928832 is an equidigital number, since it uses as much as digits as its factorization.

18463928832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70343 (or 70321 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 18463928832 in words is "eighteen billion, four hundred sixty-three million, nine hundred twenty-eight thousand, eight hundred thirty-two".