42421320200 has 96 divisors (see below), whose sum is σ = 112761413760. Its totient is φ = 14539046400.

The previous prime is 42421320199. The next prime is 42421320217. The reversal of 42421320200 is 202312424.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6213989 + ... + 6220811.

It is an arithmetic number, because the mean of its divisors is an integer number (1174598060).

Almost surely, 2^42421320200 is an apocalyptic number.

42421320200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42421320200 is an abundant number, since it is smaller than the sum of its proper divisors (70340093560).

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

42421320200 is a wasteful number, since it uses less digits than its factorization.

42421320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287 (or 11278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42421320200 its reverse (202312424), we get a palindrome (42623632624).

The spelling of 42421320200 in words is "forty-two billion, four hundred twenty-one million, three hundred twenty thousand, two hundred".