421120045200 has 60 divisors (see below), whose sum is σ = 1348987881968. Its totient is φ = 112298678400.

The previous prime is 421120045193. The next prime is 421120045217. The reversal of 421120045200 is 2540021124.

It is a tau number, because it is divible by the number of its divisors (60).

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, 175465486 + ... + 175467885.

Almost surely, 2^421120045200 is an apocalyptic number.

421120045200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421120045200 is an abundant number, since it is smaller than the sum of its proper divisors (927867836768).

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

421120045200 is a wasteful number, since it uses less digits than its factorization.

421120045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350933392 (or 350933381 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 421120045200 its reverse (2540021124), we get a palindrome (423660066324).

The spelling of 421120045200 in words is "four hundred twenty-one billion, one hundred twenty million, forty-five thousand, two hundred".