421217880060 has 48 divisors (see below), whose sum is σ = 1191087408672. Its totient is φ = 111212640000.

The previous prime is 421217880059. The next prime is 421217880101. The reversal of 421217880060 is 60088712124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34747891 + ... + 34760010.

It is an arithmetic number, because the mean of its divisors is an integer number (24814321014).

Almost surely, 2^421217880060 is an apocalyptic number.

It is an amenable number.

421217880060 is an abundant number, since it is smaller than the sum of its proper divisors (769869528612).

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

421217880060 is a wasteful number, since it uses less digits than its factorization.

421217880060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69508014 (or 69508012 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 421217880060 in words is "four hundred twenty-one billion, two hundred seventeen million, eight hundred eighty thousand, sixty".