726780552000 has 448 divisors, whose sum is σ = 2579959848960. Its totient is φ = 179695872000.

The previous prime is 726780551993. The next prime is 726780552011. The reversal of 726780552000 is 255087627.

726780552000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21415045 + ... + 21448955.

Almost surely, 2^726780552000 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 726780552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289979924480).

726780552000 is an abundant number, since it is smaller than the sum of its proper divisors (1853179296960).

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

726780552000 is a wasteful number, since it uses less digits than its factorization.

726780552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34007 (or 33987 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 726780552000 in words is "seven hundred twenty-six billion, seven hundred eighty million, five hundred fifty-two thousand".