420144035 has 16 divisors (see below), whose sum is σ = 534685536. Its totient is φ = 315836928.

The previous prime is 420144029. The next prime is 420144071. The reversal of 420144035 is 530441024.

It is a cyclic number.

It is not a de Polignac number, because 420144035 - 2¹⁴ = 420127651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420144035.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54437 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (33417846).

Almost surely, 2^420144035 is an apocalyptic number.

420144035 is a deficient number, since it is larger than the sum of its proper divisors (114541501).

420144035 is a wasteful number, since it uses less digits than its factorization.

420144035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 420144035 is about 20497.4153248647. The cubic root of 420144035 is about 748.9728368530.

Adding to 420144035 its reverse (530441024), we get a palindrome (950585059).

The spelling of 420144035 in words is "four hundred twenty million, one hundred forty-four thousand, thirty-five".