420003533604 has 96 divisors (see below), whose sum is σ = 1072944423936. Its totient is φ = 127299133440.

The previous prime is 420003533557. The next prime is 420003533633. The reversal of 420003533604 is 406335300024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3694134 + ... + 3806130.

It is an arithmetic number, because the mean of its divisors is an integer number (11176504416).

Almost surely, 2^420003533604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420003533604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536472211968).

420003533604 is an abundant number, since it is smaller than the sum of its proper divisors (652940890332).

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

420003533604 is a wasteful number, since it uses less digits than its factorization.

420003533604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112645 (or 112643 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 420003533604 its reverse (406335300024), we get a palindrome (826338833628).

The spelling of 420003533604 in words is "four hundred twenty billion, three million, five hundred thirty-three thousand, six hundred four".