421535550215104 has 112 divisors (see below), whose sum is σ = 940033920913920. Its totient is φ = 186088470543360.

The previous prime is 421535550215089. The next prime is 421535550215147. The reversal of 421535550215104 is 401512055535124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489049149 + ... + 489910339.

It is an arithmetic number, because the mean of its divisors is an integer number (8393160008160).

Almost surely, 2^{421535550215104} 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 421535550215104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470016960456960).

421535550215104 is an abundant number, since it is smaller than the sum of its proper divisors (518498370698816).

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

421535550215104 is a wasteful number, since it uses less digits than its factorization.

421535550215104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886818 (or 886808 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 421535550215104 in words is "four hundred twenty-one trillion, five hundred thirty-five billion, five hundred fifty million, two hundred fifteen thousand, one hundred four".