420944076 has 36 divisors (see below), whose sum is σ = 1216061392. Its totient is φ = 120269664.

The previous prime is 420944057. The next prime is 420944093. The reversal of 420944076 is 670449024.

420944076 is a `hidden beast` number, since 4 + 209 + 440 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 420944076.

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 11 ways as a sum of consecutive naturals, for example, 834955 + ... + 835458.

Almost surely, 2^420944076 is an apocalyptic number.

It is an amenable number.

420944076 is an abundant number, since it is smaller than the sum of its proper divisors (795117316).

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

420944076 is a wasteful number, since it uses less digits than its factorization.

420944076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670430 (or 1670425 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 420944076 is about 20516.9216989294. The cubic root of 420944076 is about 749.4479350655.

The spelling of 420944076 in words is "four hundred twenty million, nine hundred forty-four thousand, seventy-six".