420433040433 has 32 divisors (see below), whose sum is σ = 675397140480. Its totient is φ = 227550761280.

The previous prime is 420433040431. The next prime is 420433040473. The reversal of 420433040433 is 334040334024.

It is not a de Polignac number, because 420433040433 - 2¹ = 420433040431 is a prime.

It is a super-2 number, since 2×420433040433² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420433040433.

It is not an unprimeable number, because it can be changed into a prime (420433040431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6839898 + ... + 6901091.

It is an arithmetic number, because the mean of its divisors is an integer number (21106160640).

Almost surely, 2^420433040433 is an apocalyptic number.

It is an amenable number.

420433040433 is a deficient number, since it is larger than the sum of its proper divisors (254964100047).

420433040433 is a wasteful number, since it uses less digits than its factorization.

420433040433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13741077.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 420433040433 its reverse (334040334024), we get a palindrome (754473374457).

The spelling of 420433040433 in words is "four hundred twenty billion, four hundred thirty-three million, forty thousand, four hundred thirty-three".