420044043 has 8 divisors (see below), whose sum is σ = 560231056. Its totient is φ = 279943200.

The previous prime is 420044021. The next prime is 420044071. The reversal of 420044043 is 340440024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420044043 - 2⁸ = 420043787 is a prime.

It is a super-3 number, since 3×420044043³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420044003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9148 + ... + 30393.

It is an arithmetic number, because the mean of its divisors is an integer number (70028882).

Almost surely, 2^420044043 is an apocalyptic number.

420044043 is a deficient number, since it is larger than the sum of its proper divisors (140187013).

420044043 is a wasteful number, since it uses less digits than its factorization.

420044043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43085.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 420044043 is about 20494.9760429233. The cubic root of 420044043 is about 748.9134149820.

Adding to 420044043 its reverse (340440024), we get a palindrome (760484067).

The spelling of 420044043 in words is "four hundred twenty million, forty-four thousand, forty-three".