420534242054 has 16 divisors (see below), whose sum is σ = 631707881616. Its totient is φ = 209965017600.

The previous prime is 420534242047. The next prime is 420534242111. The reversal of 420534242054 is 450242435024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20593109 + ... + 20613519.

It is an arithmetic number, because the mean of its divisors is an integer number (39481742601).

Almost surely, 2^420534242054 is an apocalyptic number.

420534242054 is a deficient number, since it is larger than the sum of its proper divisors (211173639562).

420534242054 is a wasteful number, since it uses less digits than its factorization.

420534242054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34711.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 420534242054 its reverse (450242435024), we get a palindrome (870776677078).

The spelling of 420534242054 in words is "four hundred twenty billion, five hundred thirty-four million, two hundred forty-two thousand, fifty-four".