798567840 has 288 divisors, whose sum is σ = 3137097600. Its totient is φ = 181204992.

The previous prime is 798567823. The next prime is 798567859. The reversal of 798567840 is 48765897.

798567840 is a `hidden beast` number, since 79 + 8 + 567 + 8 + 4 + 0 = 666.

798567840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2287986 + ... + 2288334.

It is an arithmetic number, because the mean of its divisors is an integer number (10892700).

Almost surely, 2^798567840 is an apocalyptic number.

798567840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798567840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568548800).

798567840 is an abundant number, since it is smaller than the sum of its proper divisors (2338529760).

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

798567840 is a wasteful number, since it uses less digits than its factorization.

798567840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 798567840 is about 28258.9426553790. The cubic root of 798567840 is about 927.7634776728.

The spelling of 798567840 in words is "seven hundred ninety-eight million, five hundred sixty-seven thousand, eight hundred forty".