421033324331140 has 24 divisors (see below), whose sum is σ = 900852433571160. Its totient is φ = 165235719737088.

The previous prime is 421033324331129. The next prime is 421033324331161. The reversal of 421033324331140 is 41133423330124.

It can be written as a sum of positive squares in 4 ways, for example, as 26382440595456 + 394650883735684 = 5136384^2 + 19865822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421033324331096 and 421033324331105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198600623625 + ... + 198600625744.

It is an arithmetic number, because the mean of its divisors is an integer number (37535518065465).

Almost surely, 2^{421033324331140} is an apocalyptic number.

It is an amenable number.

421033324331140 is an abundant number, since it is smaller than the sum of its proper divisors (479819109240020).

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

421033324331140 is a wasteful number, since it uses less digits than its factorization.

421033324331140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397201249431 (or 397201249429 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 421033324331140 its reverse (41133423330124), we get a palindrome (462166747661264).

The spelling of 421033324331140 in words is "four hundred twenty-one trillion, thirty-three billion, three hundred twenty-four million, three hundred thirty-one thousand, one hundred forty".