421846872744 has 128 divisors (see below), whose sum is σ = 1171109508480. Its totient is φ = 125547801600.

The previous prime is 421846872743. The next prime is 421846872773. The reversal of 421846872744 is 447278648124.

It is not an unprimeable number, because it can be changed into a prime (421846872743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10883062 + ... + 10921754.

It is an arithmetic number, because the mean of its divisors is an integer number (9149293035).

Almost surely, 2^421846872744 is an apocalyptic number.

421846872744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421846872744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585554754240).

421846872744 is an abundant number, since it is smaller than the sum of its proper divisors (749262635736).

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

421846872744 is a wasteful number, since it uses less digits than its factorization.

421846872744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39451 (or 39447 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 57.

The spelling of 421846872744 in words is "four hundred twenty-one billion, eight hundred forty-six million, eight hundred seventy-two thousand, seven hundred forty-four".