420042000504 has 32 divisors (see below), whose sum is σ = 1200120001920. Its totient is φ = 120012000096.

The previous prime is 420042000503. The next prime is 420042000551. The reversal of 420042000504 is 405000240024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420042000503) 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 7 ways as a sum of consecutive naturals, for example, 1250124834 + ... + 1250125169.

It is an arithmetic number, because the mean of its divisors is an integer number (37503750060).

Almost surely, 2^420042000504 is an apocalyptic number.

It is an amenable number.

420042000504 is an abundant number, since it is smaller than the sum of its proper divisors (780078001416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420042000504 is a wasteful number, since it uses less digits than its factorization.

420042000504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500250019 (or 2500250015 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 420042000504 its reverse (405000240024), we get a palindrome (825042240528).

The spelling of 420042000504 in words is "four hundred twenty billion, forty-two million, five hundred four", and thus it is an aban number.