720268521464 has 32 divisors (see below), whose sum is σ = 1356449580720. Its totient is φ = 358548976896.

The previous prime is 720268521461. The next prime is 720268521491. The reversal of 720268521464 is 464125862027.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720268521461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24222734 + ... + 24252450.

Almost surely, 2^720268521464 is an apocalyptic number.

It is an amenable number.

720268521464 is a deficient number, since it is larger than the sum of its proper divisors (636181059256).

720268521464 is a wasteful number, since it uses less digits than its factorization.

720268521464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959 (or 42955 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 720268521464 in words is "seven hundred twenty billion, two hundred sixty-eight million, five hundred twenty-one thousand, four hundred sixty-four".