420043310100 has 54 divisors (see below), whose sum is σ = 1316602422590. Its totient is φ = 112011549120.

The previous prime is 420043310081. The next prime is 420043310111. The reversal of 420043310100 is 1013340024.

It can be written as a sum of positive squares in 3 ways, for example, as 52901840016 + 367141470084 = 230004^2 + 605922^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 233356495 + ... + 233358294.

Almost surely, 2^420043310100 is an apocalyptic number.

It is an amenable number.

420043310100 is an abundant number, since it is smaller than the sum of its proper divisors (896559112490).

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

420043310100 is a wasteful number, since it uses less digits than its factorization.

420043310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466714809 (or 466714799 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 420043310100 its reverse (1013340024), we get a palindrome (421056650124).

The spelling of 420043310100 in words is "four hundred twenty billion, forty-three million, three hundred ten thousand, one hundred".