420918267 has 64 divisors (see below), whose sum is σ = 762163200. Its totient is φ = 199946880.

The previous prime is 420918263. The next prime is 420918269. The reversal of 420918267 is 762819024.

It is not a de Polignac number, because 420918267 - 2² = 420918263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420918263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125628 + ... + 128934.

It is an arithmetic number, because the mean of its divisors is an integer number (11908800).

Almost surely, 2^420918267 is an apocalyptic number.

420918267 is a deficient number, since it is larger than the sum of its proper divisors (341244933).

420918267 is a wasteful number, since it uses less digits than its factorization.

420918267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 420918267 is about 20516.2927206647. The cubic root of 420918267 is about 749.4326179896.

The spelling of 420918267 in words is "four hundred twenty million, nine hundred eighteen thousand, two hundred sixty-seven".