421201452433200 has 120 divisors (see below), whose sum is σ = 1349254179111888. Its totient is φ = 112319927255040.

The previous prime is 421201452433189. The next prime is 421201452433207. The reversal of 421201452433200 is 2334254102124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (421201452433207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373521424 + ... + 374647376.

Almost surely, 2^{421201452433200} is an apocalyptic number.

421201452433200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421201452433200 is an abundant number, since it is smaller than the sum of its proper divisors (928052726678688).

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

421201452433200 is a wasteful number, since it uses less digits than its factorization.

421201452433200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437711 (or 1437700 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 421201452433200 in words is "four hundred twenty-one trillion, two hundred one billion, four hundred fifty-two million, four hundred thirty-three thousand, two hundred".