421412413660 has 192 divisors, whose sum is σ = 1079658720000. Its totient is φ = 137928806400.

The previous prime is 421412413651. The next prime is 421412413769. The reversal of 421412413660 is 66314214124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17693760 + ... + 17717560.

It is an arithmetic number, because the mean of its divisors is an integer number (5623222500).

Almost surely, 2^421412413660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421412413660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539829360000).

421412413660 is an abundant number, since it is smaller than the sum of its proper divisors (658246306340).

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

421412413660 is a wasteful number, since it uses less digits than its factorization.

421412413660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23949 (or 23933 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 421412413660 its reverse (66314214124), we get a palindrome (487726627784).

The spelling of 421412413660 in words is "four hundred twenty-one billion, four hundred twelve million, four hundred thirteen thousand, six hundred sixty".