798583533440 has 512 divisors, whose sum is σ = 2449189923840. Its totient is φ = 241760010240.

The previous prime is 798583533427. The next prime is 798583533457. The reversal of 798583533440 is 44335385897.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 798583533440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417449924 + ... + 417451836.

It is an arithmetic number, because the mean of its divisors is an integer number (4783574070).

Almost surely, 2^798583533440 is an apocalyptic number.

798583533440 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 798583533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224594961920).

798583533440 is an abundant number, since it is smaller than the sum of its proper divisors (1650606390400).

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

798583533440 is a wasteful number, since it uses less digits than its factorization.

798583533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 798583533440 in words is "seven hundred ninety-eight billion, five hundred eighty-three million, five hundred thirty-three thousand, four hundred forty".