420045433 has 8 divisors (see below), whose sum is σ = 426485696. Its totient is φ = 413650800.

The previous prime is 420045427. The next prime is 420045463. The reversal of 420045433 is 334540024.

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

It is a cyclic number.

It is not a de Polignac number, because 420045433 - 2⁹ = 420044921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420045398 and 420045407.

It is not an unprimeable number, because it can be changed into a prime (420045403) 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, 7378 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (53310712).

Almost surely, 2^420045433 is an apocalyptic number.

It is an amenable number.

420045433 is a deficient number, since it is larger than the sum of its proper divisors (6440263).

420045433 is a wasteful number, since it uses less digits than its factorization.

420045433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 420045433 is about 20495.0099536448. The cubic root of 420045433 is about 748.9142410767.

Adding to 420045433 its reverse (334540024), we get a palindrome (754585457).

The spelling of 420045433 in words is "four hundred twenty million, forty-five thousand, four hundred thirty-three".