800420198340 has 192 divisors, whose sum is σ = 2697680240640. Its totient is φ = 173225848320.

The previous prime is 800420198339. The next prime is 800420198351. The reversal of 800420198340 is 43891024008.

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, 14520030 + ... + 14575050.

It is an arithmetic number, because the mean of its divisors is an integer number (14050417920).

Almost surely, 2^800420198340 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 800420198340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348840120320).

800420198340 is an abundant number, since it is smaller than the sum of its proper divisors (1897260042300).

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

800420198340 is a wasteful number, since it uses less digits than its factorization.

800420198340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56882 (or 56880 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 800420198340 in words is "eight hundred billion, four hundred twenty million, one hundred ninety-eight thousand, three hundred forty".