421718141496 has 256 divisors, whose sum is σ = 1132572672000. Its totient is φ = 130616271360.

The previous prime is 421718141401. The next prime is 421718141543. The reversal of 421718141496 is 694141817124.

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, 1174702165 + ... + 1174702523.

It is an arithmetic number, because the mean of its divisors is an integer number (4424112000).

Almost surely, 2^421718141496 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 421718141496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566286336000).

421718141496 is an abundant number, since it is smaller than the sum of its proper divisors (710854530504).

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

421718141496 is a wasteful number, since it uses less digits than its factorization.

421718141496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 878 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The spelling of 421718141496 in words is "four hundred twenty-one billion, seven hundred eighteen million, one hundred forty-one thousand, four hundred ninety-six".