720571438080 has 1584 divisors, whose sum is σ = 2945262902400. Its totient is φ = 168520974336.

The previous prime is 720571438019. The next prime is 720571438087. The reversal of 720571438080 is 80834175027.

720571438080 is a `hidden beast` number, since 7 + 205 + 7 + 1 + 438 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720571438087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4836049846 + ... + 4836049994.

Almost surely, 2^720571438080 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 720571438080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472631451200).

720571438080 is an abundant number, since it is smaller than the sum of its proper divisors (2224691464320).

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

720571438080 is a wasteful number, since it uses less digits than its factorization.

720571438080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 720571438080 in words is "seven hundred twenty billion, five hundred seventy-one million, four hundred thirty-eight thousand, eighty".