801436582650 has 96 divisors (see below), whose sum is σ = 2170544076288. Its totient is φ = 194082116800.

The previous prime is 801436582637. The next prime is 801436582711. The reversal of 801436582650 is 56285634108.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 801436582650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1306099 + ... + 1819001.

It is an arithmetic number, because the mean of its divisors is an integer number (22609834128).

Almost surely, 2^801436582650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801436582650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085272038144).

801436582650 is an abundant number, since it is smaller than the sum of its proper divisors (1369107493638).

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

801436582650 is a wasteful number, since it uses less digits than its factorization.

801436582650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513876 (or 513871 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 801436582650 in words is "eight hundred one billion, four hundred thirty-six million, five hundred eighty-two thousand, six hundred fifty".