421296799824 has 120 divisors (see below), whose sum is σ = 1236882441600. Its totient is φ = 133679965440.

The previous prime is 421296799817. The next prime is 421296799843. The reversal of 421296799824 is 428997692124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413964 + ... + 1006955.

It is an arithmetic number, because the mean of its divisors is an integer number (10307353680).

Almost surely, 2^421296799824 is an apocalyptic number.

It is an amenable number.

421296799824 is an abundant number, since it is smaller than the sum of its proper divisors (815585641776).

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

421296799824 is a wasteful number, since it uses less digits than its factorization.

421296799824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421033 (or 1421024 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 421296799824 in words is "four hundred twenty-one billion, two hundred ninety-six million, seven hundred ninety-nine thousand, eight hundred twenty-four".