729467255880 has 384 divisors, whose sum is σ = 2665009226880. Its totient is φ = 171490037760.

The previous prime is 729467255857. The next prime is 729467255897. The reversal of 729467255880 is 88552764927.

729467255880 is a `hidden beast` number, since 7 + 2 + 9 + 4 + 6 + 72 + 558 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44973532 + ... + 44989748.

It is an arithmetic number, because the mean of its divisors is an integer number (6940128195).

Almost surely, 2^729467255880 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 729467255880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332504613440).

729467255880 is an abundant number, since it is smaller than the sum of its proper divisors (1935541971000).

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

729467255880 is a wasteful number, since it uses less digits than its factorization.

729467255880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16589 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 729467255880 in words is "seven hundred twenty-nine billion, four hundred sixty-seven million, two hundred fifty-five thousand, eight hundred eighty".