720057467844 has 729 divisors, whose sum is σ = 2318568163821. Its totient is φ = 188177109120.

The previous prime is 720057467839. The next prime is 720057467869. The reversal of 720057467844 is 448764750027.

The square root of 720057467844 is 848562.

It is a perfect power (a square), and thus also a powerful number.

720057467844 is a `hidden beast` number, since 7 + 2 + 0 + 0 + 574 + 67 + 8 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106517376900 + 613540090944 = 326370^2 + 783288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 16745522487 + ... + 16745522529.

Almost surely, 2^720057467844 is an apocalyptic number.

720057467844 is the 848562-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720057467844

720057467844 is an abundant number, since it is smaller than the sum of its proper divisors (1598510695977).

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

720057467844 is a wasteful number, since it uses less digits than its factorization.

720057467844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 720057467844 in words is "seven hundred twenty billion, fifty-seven million, four hundred sixty-seven thousand, eight hundred forty-four".