420258764 has 12 divisors (see below), whose sum is σ = 742326984. Its totient is φ = 208165344.

The previous prime is 420258763. The next prime is 420258767. The reversal of 420258764 is 467852024.

It is not an unprimeable number, because it can be changed into a prime (420258763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490529 + ... + 491384.

It is an arithmetic number, because the mean of its divisors is an integer number (61860582).

Almost surely, 2^420258764 is an apocalyptic number.

It is an amenable number.

420258764 is a deficient number, since it is larger than the sum of its proper divisors (322068220).

420258764 is a wasteful number, since it uses less digits than its factorization.

420258764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982024 (or 982022 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 420258764 is about 20500.2137549831. The cubic root of 420258764 is about 749.0410048121.

The spelling of 420258764 in words is "four hundred twenty million, two hundred fifty-eight thousand, seven hundred sixty-four".