72546444096000 has 2560 divisors, whose sum is σ = 300212145192960. Its totient is φ = 15166734336000.

The previous prime is 72546444095981. The next prime is 72546444096001. The reversal of 72546444096000 is 69044464527.

It is a tau number, because it is divible by the number of its divisors (2560).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (72546444096001) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 168321215785 + ... + 168321216215.

It is an arithmetic number, because the mean of its divisors is an integer number (117270369216).

Almost surely, 2^{72546444096000} is an apocalyptic number.

72546444096000 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 72546444096000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150106072596480).

72546444096000 is an abundant number, since it is smaller than the sum of its proper divisors (227665701096960).

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

72546444096000 is a wasteful number, since it uses less digits than its factorization.

72546444096000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 72546444096000 in words is "seventy-two trillion, five hundred forty-six billion, four hundred forty-four million, ninety-six thousand".