720721198458048 has 112 divisors (see below), whose sum is σ = 1912804141693184. Its totient is φ = 239497702456320.

The previous prime is 720721198457971. The next prime is 720721198458083. The reversal of 720721198458048 is 840854891127027.

It is a self number, because there is not a number n which added to its sum of digits gives 720721198458048.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917107461 + ... + 917892987.

Almost surely, 2^{720721198458048} 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 720721198458048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956402070846592).

720721198458048 is an abundant number, since it is smaller than the sum of its proper divisors (1192082943235136).

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

720721198458048 is a wasteful number, since it uses less digits than its factorization.

720721198458048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800310 (or 800300 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 66.

The spelling of 720721198458048 in words is "seven hundred twenty trillion, seven hundred twenty-one billion, one hundred ninety-eight million, four hundred fifty-eight thousand, forty-eight".