648523360 has 48 divisors (see below), whose sum is σ = 1543882032. Its totient is φ = 257420800.

The previous prime is 648523357. The next prime is 648523399. The reversal of 648523360 is 63325846.

648523360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 5490 + ... + 36430.

It is an arithmetic number, because the mean of its divisors is an integer number (32164209).

Almost surely, 2^648523360 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 648523360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771941016).

648523360 is an abundant number, since it is smaller than the sum of its proper divisors (895358672).

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

648523360 is a wasteful number, since it uses less digits than its factorization.

648523360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31087 (or 31079 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 648523360 is about 25466.1218091801. The cubic root of 648523360 is about 865.5826473129.

The spelling of 648523360 in words is "six hundred forty-eight million, five hundred twenty-three thousand, three hundred sixty".