1814818632 has 64 divisors (see below), whose sum is σ = 4957666560. Its totient is φ = 549038400.

The previous prime is 1814818627. The next prime is 1814818651. The reversal of 1814818632 is 2368184181.

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

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 15 ways as a sum of consecutive naturals, for example, 164407 + ... + 175097.

It is an arithmetic number, because the mean of its divisors is an integer number (77463540).

Almost surely, 2^1814818632 is an apocalyptic number.

1814818632 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 1814818632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2478833280).

1814818632 is an abundant number, since it is smaller than the sum of its proper divisors (3142847928).

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

1814818632 is a wasteful number, since it uses less digits than its factorization.

1814818632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354 (or 11350 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 1814818632 is about 42600.6881634558. The cubic root of 1814818632 is about 1219.7694252059.

The spelling of 1814818632 in words is "one billion, eight hundred fourteen million, eight hundred eighteen thousand, six hundred thirty-two".