814342393220 has 96 divisors (see below), whose sum is σ = 1783469076480. Its totient is φ = 311951969280.

The previous prime is 814342393219. The next prime is 814342393247. The reversal of 814342393220 is 22393243418.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116882177 + ... + 116889143.

It is an arithmetic number, because the mean of its divisors is an integer number (18577802880).

Almost surely, 2^814342393220 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 814342393220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891734538240).

814342393220 is an abundant number, since it is smaller than the sum of its proper divisors (969126683260).

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

814342393220 is a wasteful number, since it uses less digits than its factorization.

814342393220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613 (or 8611 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 814342393220 in words is "eight hundred fourteen billion, three hundred forty-two million, three hundred ninety-three thousand, two hundred twenty".