18414684852 has 96 divisors (see below), whose sum is σ = 47849647104. Its totient is φ = 5485209600.

The previous prime is 18414684793. The next prime is 18414684863. The reversal of 18414684852 is 25848641481.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 18414684795 and 18414684804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307702 + ... + 362642.

It is an arithmetic number, because the mean of its divisors is an integer number (498433824).

Almost surely, 2^18414684852 is an apocalyptic number.

18414684852 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 18414684852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23924823552).

18414684852 is an abundant number, since it is smaller than the sum of its proper divisors (29434962252).

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

18414684852 is a wasteful number, since it uses less digits than its factorization.

18414684852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55049 (or 55047 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 51.

The spelling of 18414684852 in words is "eighteen billion, four hundred fourteen million, six hundred eighty-four thousand, eight hundred fifty-two".