420469882 has 24 divisors (see below), whose sum is σ = 747529236. Its totient is φ = 176799168.

The previous prime is 420469879. The next prime is 420469897. The reversal of 420469882 is 288964024.

It can be written as a sum of positive squares in 2 ways, for example, as 419799121 + 670761 = 20489^2 + 819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35283 + ... + 45670.

Almost surely, 2^420469882 is an apocalyptic number.

420469882 is a deficient number, since it is larger than the sum of its proper divisors (327059354).

420469882 is a wasteful number, since it uses less digits than its factorization.

420469882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81022 (or 81015 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 420469882 is about 20505.3622742930. The cubic root of 420469882 is about 749.1664113313.

The spelling of 420469882 in words is "four hundred twenty million, four hundred sixty-nine thousand, eight hundred eighty-two".