421240324020000 has 240 divisors, whose sum is σ = 1390903219645632. Its totient is φ = 111586838400000.

The previous prime is 421240324019993. The next prime is 421240324020013. The reversal of 421240324020000 is 20423042124.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14187259 + ... + 32307258.

Almost surely, 2^{421240324020000} is an apocalyptic number.

421240324020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421240324020000 is an abundant number, since it is smaller than the sum of its proper divisors (969662895625632).

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

421240324020000 is a wasteful number, since it uses less digits than its factorization.

421240324020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46494701 (or 46494678 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 421240324020000 its reverse (20423042124), we get a palindrome (421260747062124).

The spelling of 421240324020000 in words is "four hundred twenty-one trillion, two hundred forty billion, three hundred twenty-four million, twenty thousand".