419139830 has 16 divisors (see below), whose sum is σ = 759083184. Its totient is φ = 166626720.

The previous prime is 419139827. The next prime is 419139841. The reversal of 419139830 is 38931914.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126941 + ... + 130200.

It is an arithmetic number, because the mean of its divisors is an integer number (47442699).

Almost surely, 2^419139830 is an apocalyptic number.

419139830 is a deficient number, since it is larger than the sum of its proper divisors (339943354).

419139830 is a wasteful number, since it uses less digits than its factorization.

419139830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257311.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 419139830 is about 20472.9047768019. The cubic root of 419139830 is about 748.3756430108.

The spelling of 419139830 in words is "four hundred nineteen million, one hundred thirty-nine thousand, eight hundred thirty".