720449883380 has 24 divisors (see below), whose sum is σ = 1513161276648. Its totient is φ = 288138711168.

The previous prime is 720449883367. The next prime is 720449883403. The reversal of 720449883380 is 83388944027.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47242761316 + 673207122064 = 217354^2 + 820492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434199 + ... + 2714078.

It is an arithmetic number, because the mean of its divisors is an integer number (63048386527).

Almost surely, 2^720449883380 is an apocalyptic number.

It is an amenable number.

720449883380 is an abundant number, since it is smaller than the sum of its proper divisors (792711393268).

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

720449883380 is a wasteful number, since it uses less digits than its factorization.

720449883380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155283 (or 5155281 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 720449883380 in words is "seven hundred twenty billion, four hundred forty-nine million, eight hundred eighty-three thousand, three hundred eighty".