800728721430 has 32 divisors (see below), whose sum is σ = 2096453380608. Its totient is φ = 194116053600.

The previous prime is 800728721371. The next prime is 800728721477. The reversal of 800728721430 is 34127827008.

800728721430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213225006 + ... + 1213225665.

It is an arithmetic number, because the mean of its divisors is an integer number (65514168144).

Almost surely, 2^800728721430 is an apocalyptic number.

800728721430 is an abundant number, since it is smaller than the sum of its proper divisors (1295724659178).

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

800728721430 is a wasteful number, since it uses less digits than its factorization.

800728721430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426450692.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 800728721430 in words is "eight hundred billion, seven hundred twenty-eight million, seven hundred twenty-one thousand, four hundred thirty".