420178116 has 24 divisors (see below), whose sum is σ = 980812224. Its totient is φ = 140002720.

The previous prime is 420178093. The next prime is 420178133. The reversal of 420178116 is 611871024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32806 + ... + 43778.

It is an arithmetic number, because the mean of its divisors is an integer number (40867176).

Almost surely, 2^420178116 is an apocalyptic number.

It is an amenable number.

420178116 is an abundant number, since it is smaller than the sum of its proper divisors (560634108).

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

420178116 is a wasteful number, since it uses less digits than its factorization.

420178116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14171 (or 14169 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 420178116 is about 20498.2466567265. The cubic root of 420178116 is about 748.9930878867.

The spelling of 420178116 in words is "four hundred twenty million, one hundred seventy-eight thousand, one hundred sixteen".