420144112300 has 72 divisors (see below), whose sum is σ = 994743676080. Its totient is φ = 152756947200.

The previous prime is 420144112273. The next prime is 420144112301. The reversal of 420144112300 is 3211441024.

It is a happy number.

It is a super-2 number, since 2×420144112300² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (420144112301) 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 23 ways as a sum of consecutive naturals, for example, 8543382 + ... + 8592418.

It is an arithmetic number, because the mean of its divisors is an integer number (13815884390).

Almost surely, 2^420144112300 is an apocalyptic number.

It is an amenable number.

420144112300 is an abundant number, since it is smaller than the sum of its proper divisors (574599563780).

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

420144112300 is a wasteful number, since it uses less digits than its factorization.

420144112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56851 (or 56844 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 420144112300 its reverse (3211441024), we get a palindrome (423355553324).

The spelling of 420144112300 in words is "four hundred twenty billion, one hundred forty-four million, one hundred twelve thousand, three hundred".