720979366240 has 96 divisors (see below), whose sum is σ = 1946832814080. Its totient is φ = 247168986624.

The previous prime is 720979366193. The next prime is 720979366271. The reversal of 720979366240 is 42663979027.

It is a happy number.

It is a super-2 number, since 2×720979366240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14605921 + ... + 14655199.

It is an arithmetic number, because the mean of its divisors is an integer number (20279508480).

Almost surely, 2^720979366240 is an apocalyptic number.

720979366240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

720979366240 is an abundant number, since it is smaller than the sum of its proper divisors (1225853447840).

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

720979366240 is a wasteful number, since it uses less digits than its factorization.

720979366240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62364 (or 62356 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 720979366240 in words is "seven hundred twenty billion, nine hundred seventy-nine million, three hundred sixty-six thousand, two hundred forty".