420258667 has 4 divisors (see below), whose sum is σ = 420304896. Its totient is φ = 420212440.

The previous prime is 420258659. The next prime is 420258689. The reversal of 420258667 is 766852024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 420258667 - 2³ = 420258659 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420258647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4459 + ... + 29332.

It is an arithmetic number, because the mean of its divisors is an integer number (105076224).

Almost surely, 2^420258667 is an apocalyptic number.

420258667 is a deficient number, since it is larger than the sum of its proper divisors (46229).

420258667 is a wasteful number, since it uses less digits than its factorization.

420258667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46228.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 420258667 is about 20500.2113891540. The cubic root of 420258667 is about 749.0409471834.

The spelling of 420258667 in words is "four hundred twenty million, two hundred fifty-eight thousand, six hundred sixty-seven".