419920194 has 16 divisors (see below), whose sum is σ = 840147840. Its totient is φ = 139922160.

The previous prime is 419920183. The next prime is 419920201. The reversal of 419920194 is 491029914.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7399 + ... + 29909.

It is an arithmetic number, because the mean of its divisors is an integer number (52509240).

Almost surely, 2^419920194 is an apocalyptic number.

419920194 is an abundant number, since it is smaller than the sum of its proper divisors (420227646).

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

419920194 is a wasteful number, since it uses less digits than its factorization.

419920194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25625.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 419920194 is about 20491.9543723872. The cubic root of 419920194 is about 748.8398026260.

The spelling of 419920194 in words is "four hundred nineteen million, nine hundred twenty thousand, one hundred ninety-four".