421142520200 has 48 divisors (see below), whose sum is σ = 1030690914000. Its totient is φ = 159590848320.

The previous prime is 421142520199. The next prime is 421142520233. The reversal of 421142520200 is 2025241124.

It is a super-2 number, since 2×421142520200² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55409690 + ... + 55417289.

It is an arithmetic number, because the mean of its divisors is an integer number (21472727375).

Almost surely, 2^421142520200 is an apocalyptic number.

421142520200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421142520200 is an abundant number, since it is smaller than the sum of its proper divisors (609548393800).

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

421142520200 is a wasteful number, since it uses less digits than its factorization.

421142520200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110827014 (or 110827005 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 421142520200 its reverse (2025241124), we get a palindrome (423167761324).

The spelling of 421142520200 in words is "four hundred twenty-one billion, one hundred forty-two million, five hundred twenty thousand, two hundred".