120263444456 has 8 divisors (see below), whose sum is σ = 225493958370. Its totient is φ = 60131722224.

The previous prime is 120263444443. The next prime is 120263444459. The reversal of 120263444456 is 654444362021.

It can be written as a sum of positive squares in only one way, i.e., 73948100356 + 46315344100 = 271934^2 + 215210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120263444459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7516465271 + ... + 7516465286.

Almost surely, 2^120263444456 is an apocalyptic number.

It is an amenable number.

120263444456 is a deficient number, since it is larger than the sum of its proper divisors (105230513914).

120263444456 is a wasteful number, since it uses less digits than its factorization.

120263444456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032930563 (or 15032930559 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 120263444456 in words is "one hundred twenty billion, two hundred sixty-three million, four hundred forty-four thousand, four hundred fifty-six".