32486021818 has 8 divisors (see below), whose sum is σ = 51293718720. Its totient is φ = 15388115580.

The previous prime is 32486021807. The next prime is 32486021819. The reversal of 32486021818 is 81812068423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×32486021818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32486021819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 427447618 + ... + 427447693.

It is an arithmetic number, because the mean of its divisors is an integer number (6411714840).

Almost surely, 2^32486021818 is an apocalyptic number.

32486021818 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

32486021818 is a deficient number, since it is larger than the sum of its proper divisors (18807696902).

32486021818 is a wasteful number, since it uses less digits than its factorization.

32486021818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854895332.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 32486021818 in words is "thirty-two billion, four hundred eighty-six million, twenty-one thousand, eight hundred eighteen".