803726594064 has 135 divisors (see below), whose sum is σ = 2336556178047. Its totient is φ = 267812041824.

The previous prime is 803726594017. The next prime is 803726594117. The reversal of 803726594064 is 460495627308.

The square root of 803726594064 is 896508.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 803726594064.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 290467209 + ... + 290469975.

Almost surely, 2^803726594064 is an apocalyptic number.

803726594064 is the 896508-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 803726594064

803726594064 is an abundant number, since it is smaller than the sum of its proper divisors (1532829583983).

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

803726594064 is an frugal number, since it uses more digits than its factorization.

803726594064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 803726594064 in words is "eight hundred three billion, seven hundred twenty-six million, five hundred ninety-four thousand, sixty-four".