648502848 has 504 divisors, whose sum is σ = 2403116352. Its totient is φ = 172440576.

The previous prime is 648502847. The next prime is 648502879. The reversal of 648502848 is 848205846.

648502848 is a `hidden beast` number, since 64 + 8 + 502 + 84 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×648502848² = 841111887728222208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (648502847) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17527086 + ... + 17527122.

It is an arithmetic number, because the mean of its divisors is an integer number (4768088).

Almost surely, 2^648502848 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 648502848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201558176).

648502848 is an abundant number, since it is smaller than the sum of its proper divisors (1754613504).

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

648502848 is a wasteful number, since it uses less digits than its factorization.

648502848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 648502848 is about 25465.7190748661. The cubic root of 648502848 is about 865.5735214435.

The spelling of 648502848 in words is "six hundred forty-eight million, five hundred two thousand, eight hundred forty-eight".