648048264 has 32 divisors (see below), whose sum is σ = 1621257120. Its totient is φ = 215864576.

The previous prime is 648048263. The next prime is 648048283. The reversal of 648048264 is 462840846.

It is not an unprimeable number, because it can be changed into a prime (648048263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28579 + ... + 45965.

It is an arithmetic number, because the mean of its divisors is an integer number (50664285).

Almost surely, 2^648048264 is an apocalyptic number.

It is an amenable number.

648048264 is an abundant number, since it is smaller than the sum of its proper divisors (973208856).

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

648048264 is a wasteful number, since it uses less digits than its factorization.

648048264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949 (or 18945 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 648048264 is about 25456.7920995557. The cubic root of 648048264 is about 865.3712258280.

The spelling of 648048264 in words is "six hundred forty-eight million, forty-eight thousand, two hundred sixty-four".