421142340300 has 288 divisors, whose sum is σ = 1362392801280. Its totient is φ = 99583161600.

The previous prime is 421142340299. The next prime is 421142340301. The reversal of 421142340300 is 3043241124.

It is an interprime number because it is at equal distance from previous prime (421142340299) and next prime (421142340301).

It is a super-2 number, since 2×421142340300² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421142340301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21628369 + ... + 21647831.

It is an arithmetic number, because the mean of its divisors is an integer number (4730530560).

Almost surely, 2^421142340300 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 421142340300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681196400640).

421142340300 is an abundant number, since it is smaller than the sum of its proper divisors (941250460980).

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

421142340300 is a wasteful number, since it uses less digits than its factorization.

421142340300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653 (or 19646 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 421142340300 its reverse (3043241124), we get a palindrome (424185581424).

The spelling of 421142340300 in words is "four hundred twenty-one billion, one hundred forty-two million, three hundred forty thousand, three hundred".