420435055 has 8 divisors (see below), whose sum is σ = 526457952. Its totient is φ = 321724128.

The previous prime is 420435049. The next prime is 420435133. The reversal of 420435055 is 550534024.

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 420435055 - 2⁹ = 420434543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827864 + ... + 1828093.

It is an arithmetic number, because the mean of its divisors is an integer number (65807244).

Almost surely, 2^420435055 is an apocalyptic number.

420435055 is a deficient number, since it is larger than the sum of its proper divisors (106022897).

420435055 is a wasteful number, since it uses less digits than its factorization.

420435055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655985.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 420435055 is about 20504.5130398164. The cubic root of 420435055 is about 749.1457265846.

Adding to 420435055 its reverse (550534024), we get a palindrome (970969079).

The spelling of 420435055 in words is "four hundred twenty million, four hundred thirty-five thousand, fifty-five".