798224080 has 80 divisors (see below), whose sum is σ = 1909034064. Its totient is φ = 310210560.

The previous prime is 798224071. The next prime is 798224081. The reversal of 798224080 is 80422897.

It can be written as a sum of positive squares in 8 ways, for example, as 277289104 + 520934976 = 16652^2 + 22824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798224081) 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, 1301854 + ... + 1302466.

Almost surely, 2^798224080 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 798224080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954517032).

798224080 is an abundant number, since it is smaller than the sum of its proper divisors (1110809984).

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

798224080 is a wasteful number, since it uses less digits than its factorization.

798224080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 798224080 is about 28252.8596782697. The cubic root of 798224080 is about 927.6303335903.

The spelling of 798224080 in words is "seven hundred ninety-eight million, two hundred twenty-four thousand, eighty".