420401068 has 12 divisors (see below), whose sum is σ = 774423160. Its totient is φ = 199137312.

The previous prime is 420401057. The next prime is 420401071. The reversal of 420401068 is 860104024.

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, 2765721 + ... + 2765872.

Almost surely, 2^420401068 is an apocalyptic number.

It is an amenable number.

420401068 is a deficient number, since it is larger than the sum of its proper divisors (354022092).

420401068 is a wasteful number, since it uses less digits than its factorization.

420401068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531616 (or 5531614 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 420401068 is about 20503.6842542993. The cubic root of 420401068 is about 749.1255396365.

The spelling of 420401068 in words is "four hundred twenty million, four hundred one thousand, sixty-eight".