420335534455 has 4 divisors (see below), whose sum is σ = 504402641352. Its totient is φ = 336268427560.

The previous prime is 420335534449. The next prime is 420335534471. The reversal of 420335534455 is 554435533024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 420335534455 - 2³ = 420335534447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42033553441 + ... + 42033553450.

It is an arithmetic number, because the mean of its divisors is an integer number (126100660338).

Almost surely, 2^420335534455 is an apocalyptic number.

420335534455 is a deficient number, since it is larger than the sum of its proper divisors (84067106897).

420335534455 is an equidigital number, since it uses as much as digits as its factorization.

420335534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84067106896.

The product of its (nonzero) digits is 2160000, while the sum is 43.

The spelling of 420335534455 in words is "four hundred twenty billion, three hundred thirty-five million, five hundred thirty-four thousand, four hundred fifty-five".