648716352 has 28 divisors (see below), whose sum is σ = 1716395856. Its totient is φ = 216238720.

The previous prime is 648716347. The next prime is 648716359. The reversal of 648716352 is 253617846.

It is not an unprimeable number, because it can be changed into a prime (648716359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689174 + ... + 1689557.

It is an arithmetic number, because the mean of its divisors is an integer number (61299852).

Almost surely, 2^648716352 is an apocalyptic number.

It is an amenable number.

648716352 is an abundant number, since it is smaller than the sum of its proper divisors (1067679504).

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

648716352 is a wasteful number, since it uses less digits than its factorization.

648716352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378746 (or 3378736 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 648716352 is about 25469.9107183359. The cubic root of 648716352 is about 865.6685007910.

The spelling of 648716352 in words is "six hundred forty-eight million, seven hundred sixteen thousand, three hundred fifty-two".