419340018 has 16 divisors (see below), whose sum is σ = 861347520. Its totient is φ = 136002096.

The previous prime is 419340017. The next prime is 419340041. The reversal of 419340018 is 810043914.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (419340017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944238 + ... + 944681.

It is an arithmetic number, because the mean of its divisors is an integer number (53834220).

Almost surely, 2^419340018 is an apocalyptic number.

419340018 is an abundant number, since it is smaller than the sum of its proper divisors (442007502).

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

419340018 is a wasteful number, since it uses less digits than its factorization.

419340018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888961.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 419340018 is about 20477.7932893171. The cubic root of 419340018 is about 748.4947695070.

The spelling of 419340018 in words is "four hundred nineteen million, three hundred forty thousand, eighteen".