420202400004 has 48 divisors (see below), whose sum is σ = 1105673553600. Its totient is φ = 137976905088.

The previous prime is 420202399997. The next prime is 420202400017. The reversal of 420202400004 is 400004202024.

420202400004 is a `hidden beast` number, since 420 + 2 + 0 + 240 + 0 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 420202400004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29028309 + ... + 29042780.

It is an arithmetic number, because the mean of its divisors is an integer number (23034865700).

Almost surely, 2^420202400004 is an apocalyptic number.

It is an amenable number.

420202400004 is an abundant number, since it is smaller than the sum of its proper divisors (685471153596).

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

420202400004 is a wasteful number, since it uses less digits than its factorization.

420202400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58071169 (or 58071161 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 420202400004 its reverse (400004202024), we get a palindrome (820206602028).

The spelling of 420202400004 in words is "four hundred twenty billion, two hundred two million, four hundred thousand, four".