419481668 has 12 divisors (see below), whose sum is σ = 742938000. Its totient is φ = 207213672.

The previous prime is 419481631. The next prime is 419481679. The reversal of 419481668 is 866184914.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631418 + ... + 632081.

It is an arithmetic number, because the mean of its divisors is an integer number (61911500).

Almost surely, 2^419481668 is an apocalyptic number.

It is an amenable number.

419481668 is a deficient number, since it is larger than the sum of its proper divisors (323456332).

419481668 is a wasteful number, since it uses less digits than its factorization.

419481668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263586 (or 1263584 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 419481668 is about 20481.2516219102. The cubic root of 419481668 is about 748.5790387107.

The spelling of 419481668 in words is "four hundred nineteen million, four hundred eighty-one thousand, six hundred sixty-eight".