720436206480 has 40 divisors (see below), whose sum is σ = 2233352240832. Its totient is φ = 192116321664.

The previous prime is 720436206439. The next prime is 720436206481. The reversal of 720436206480 is 84602634027.

720436206480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (720436206481) 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, 1500908524 + ... + 1500909003.

Almost surely, 2^720436206480 is an apocalyptic number.

It is an amenable number.

720436206480 is an abundant number, since it is smaller than the sum of its proper divisors (1512916034352).

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

720436206480 is a wasteful number, since it uses less digits than its factorization.

720436206480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001817543 (or 3001817537 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 720436206480 in words is "seven hundred twenty billion, four hundred thirty-six million, two hundred six thousand, four hundred eighty".