182220040 has 16 divisors (see below), whose sum is σ = 409995180. Its totient is φ = 72888000.

The previous prime is 182220023. The next prime is 182220041. The reversal of 182220040 is 40022281.

182220040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180472356 + 1747684 = 13434^2 + 1322^2 .

It is not an unprimeable number, because it can be changed into a prime (182220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277711 + ... + 2277790.

Almost surely, 2^182220040 is an apocalyptic number.

182220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182220040 is an abundant number, since it is smaller than the sum of its proper divisors (227775140).

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

182220040 is a wasteful number, since it uses less digits than its factorization.

182220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555512 (or 4555508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 182220040 is about 13498.8903247637. The cubic root of 182220040 is about 566.9334030673.

The spelling of 182220040 in words is "one hundred eighty-two million, two hundred twenty thousand, forty".