728833558422 has 32 divisors (see below), whose sum is σ = 1486856619360. Its totient is φ = 238090012160.

The previous prime is 728833558421. The next prime is 728833558447. The reversal of 728833558422 is 224855338827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728833558421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020597 + ... + 1580912.

It is an arithmetic number, because the mean of its divisors is an integer number (46464269355).

Almost surely, 2^728833558422 is an apocalyptic number.

728833558422 is an abundant number, since it is smaller than the sum of its proper divisors (758023060938).

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

728833558422 is a wasteful number, since it uses less digits than its factorization.

728833558422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602448.

The product of its digits is 25804800, while the sum is 57.

The spelling of 728833558422 in words is "seven hundred twenty-eight billion, eight hundred thirty-three million, five hundred fifty-eight thousand, four hundred twenty-two".