420464260 has 12 divisors (see below), whose sum is σ = 882974988. Its totient is φ = 168185696.

The previous prime is 420464237. The next prime is 420464293. The reversal of 420464260 is 62464024.

It can be written as a sum of positive squares in 2 ways, for example, as 195944004 + 224520256 = 13998^2 + 14984^2 .

It is an unprimeable number.

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, 10511587 + ... + 10511626.

It is an arithmetic number, because the mean of its divisors is an integer number (73581249).

Almost surely, 2^420464260 is an apocalyptic number.

It is an amenable number.

420464260 is an abundant number, since it is smaller than the sum of its proper divisors (462510728).

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

420464260 is a wasteful number, since it uses less digits than its factorization.

420464260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023222 (or 21023220 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 420464260 is about 20505.2251877418. The cubic root of 420464260 is about 749.1630723428.

The spelling of 420464260 in words is "four hundred twenty million, four hundred sixty-four thousand, two hundred sixty".