648245648224 has 24 divisors (see below), whose sum is σ = 1276278956568. Its totient is φ = 324111310080.

The previous prime is 648245648207. The next prime is 648245648263. The reversal of 648245648224 is 422846542846.

It is a happy number.

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, 593964 + ... + 1284244.

It is an arithmetic number, because the mean of its divisors is an integer number (53178289857).

Almost surely, 2^648245648224 is an apocalyptic number.

It is an amenable number.

648245648224 is a deficient number, since it is larger than the sum of its proper divisors (628033308344).

648245648224 is a wasteful number, since it uses less digits than its factorization.

648245648224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719638 (or 719630 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 55.

The spelling of 648245648224 in words is "six hundred forty-eight billion, two hundred forty-five million, six hundred forty-eight thousand, two hundred twenty-four".