720049444438 has 8 divisors (see below), whose sum is σ = 1080142473888. Its totient is φ = 360001953144.

The previous prime is 720049444403. The next prime is 720049444451. The reversal of 720049444438 is 834444940027.

720049444438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 720049444391 and 720049444400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11344981 + ... + 11408272.

It is an arithmetic number, because the mean of its divisors is an integer number (135017809236).

Almost surely, 2^720049444438 is an apocalyptic number.

720049444438 is a deficient number, since it is larger than the sum of its proper divisors (360093029450).

720049444438 is a wasteful number, since it uses less digits than its factorization.

720049444438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769078.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 720049444438 in words is "seven hundred twenty billion, forty-nine million, four hundred forty-four thousand, four hundred thirty-eight".