648791360 has 224 divisors, whose sum is σ = 1887321600. Its totient is φ = 211943424.

The previous prime is 648791357. The next prime is 648791413. The reversal of 648791360 is 63197846.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 2524352 + ... + 2524608.

Almost surely, 2^648791360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648791360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943660800).

648791360 is an abundant number, since it is smaller than the sum of its proper divisors (1238530240).

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

648791360 is a wasteful number, since it uses less digits than its factorization.

648791360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 648791360 is about 25471.3831583603. The cubic root of 648791360 is about 865.7018638884.

The spelling of 648791360 in words is "six hundred forty-eight million, seven hundred ninety-one thousand, three hundred sixty".