420032044 has 24 divisors (see below), whose sum is σ = 769019328. Its totient is φ = 200530560.

The previous prime is 420032021. The next prime is 420032057. The reversal of 420032044 is 440230024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19539 + ... + 34954.

It is an arithmetic number, because the mean of its divisors is an integer number (32042472).

Almost surely, 2^420032044 is an apocalyptic number.

It is an amenable number.

420032044 is a deficient number, since it is larger than the sum of its proper divisors (348987284).

420032044 is a wasteful number, since it uses less digits than its factorization.

420032044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54585 (or 54583 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420032044 is about 20494.6833105564. The cubic root of 420032044 is about 748.9062837476.

Adding to 420032044 its reverse (440230024), we get a palindrome (860262068).

The spelling of 420032044 in words is "four hundred twenty million, thirty-two thousand, forty-four".