729357989360 has 320 divisors, whose sum is σ = 2291937306624. Its totient is φ = 208452096000.

The previous prime is 729357989351. The next prime is 729357989377. The reversal of 729357989360 is 63989753927.

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, 12061922 + ... + 12122238.

Almost surely, 2^729357989360 is an apocalyptic number.

729357989360 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 729357989360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145968653312).

729357989360 is an abundant number, since it is smaller than the sum of its proper divisors (1562579317264).

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

729357989360 is a wasteful number, since it uses less digits than its factorization.

729357989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60512 (or 60506 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 68.

The spelling of 729357989360 in words is "seven hundred twenty-nine billion, three hundred fifty-seven million, nine hundred eighty-nine thousand, three hundred sixty".