420144335 has 16 divisors (see below), whose sum is σ = 566564544. Its totient is φ = 296769792.

The previous prime is 420144323. The next prime is 420144353. The reversal of 420144335 is 533441024.

It is a cyclic number.

It is not a de Polignac number, because 420144335 - 2¹⁴ = 420127951 is a prime.

It is a congruent number.

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, 139022 + ... + 142011.

It is an arithmetic number, because the mean of its divisors is an integer number (35410284).

Almost surely, 2^420144335 is an apocalyptic number.

420144335 is a deficient number, since it is larger than the sum of its proper divisors (146420209).

420144335 is a wasteful number, since it uses less digits than its factorization.

420144335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281074.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 420144335 is about 20497.4226428593. The cubic root of 420144335 is about 748.9730151187.

Adding to 420144335 its reverse (533441024), we get a palindrome (953585359).

The spelling of 420144335 in words is "four hundred twenty million, one hundred forty-four thousand, three hundred thirty-five".