726320540321000 has 128 divisors (see below), whose sum is σ = 1866826616428800. Its totient is φ = 263270419948800.

The previous prime is 726320540320961. The next prime is 726320540321027. The reversal of 726320540321000 is 123045023627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830593367 + ... + 831467366.

It is an arithmetic number, because the mean of its divisors is an integer number (14584582940850).

Almost surely, 2^{726320540321000} is an apocalyptic number.

It is an amenable number.

726320540321000 is an abundant number, since it is smaller than the sum of its proper divisors (1140506076107800).

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

726320540321000 is a wasteful number, since it uses less digits than its factorization.

726320540321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662060796 (or 1662060782 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 726320540321000 its reverse (123045023627), we get a palindrome (726443585344627).

The spelling of 726320540321000 in words is "seven hundred twenty-six trillion, three hundred twenty billion, five hundred forty million, three hundred twenty-one thousand".