720651273144 has 64 divisors (see below), whose sum is σ = 2068855344000. Its totient is φ = 206885531520.

The previous prime is 720651273131. The next prime is 720651273179. The reversal of 720651273144 is 441372156027.

720651273144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 720651273096 and 720651273105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71830239 + ... + 71840270.

It is an arithmetic number, because the mean of its divisors is an integer number (32325864750).

Almost surely, 2^720651273144 is an apocalyptic number.

It is an amenable number.

720651273144 is an abundant number, since it is smaller than the sum of its proper divisors (1348204070856).

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

720651273144 is a wasteful number, since it uses less digits than its factorization.

720651273144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143670548 (or 143670544 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 720651273144 in words is "seven hundred twenty billion, six hundred fifty-one million, two hundred seventy-three thousand, one hundred forty-four".