720299898858240 has 432 divisors, whose sum is σ = 2600624151373248. Its totient is φ = 183721136062464.

The previous prime is 720299898858229. The next prime is 720299898858257. The reversal of 720299898858240 is 42858898992027.

720299898858240 is a `hidden beast` number, since 7 + 2 + 0 + 29 + 9 + 8 + 9 + 8 + 8 + 582 + 4 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 720299898858240.

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, 9548325802 + ... + 9548401238.

It is an arithmetic number, because the mean of its divisors is an integer number (6019963313364).

Almost surely, 2^{720299898858240} 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 720299898858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300312075686624).

720299898858240 is an abundant number, since it is smaller than the sum of its proper divisors (1880324252515008).

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

720299898858240 is a wasteful number, since it uses less digits than its factorization.

720299898858240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111524 (or 111507 counting only the distinct ones).

The product of its (nonzero) digits is 3344302080, while the sum is 81.

The spelling of 720299898858240 in words is "seven hundred twenty trillion, two hundred ninety-nine billion, eight hundred ninety-eight million, eight hundred fifty-eight thousand, two hundred forty".