648495260 has 48 divisors (see below), whose sum is σ = 1647946944. Its totient is φ = 209261568.

The previous prime is 648495257. The next prime is 648495271. The reversal of 648495260 is 62594846.

It is a super-2 number, since 2×648495260² = 841092204484935200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 133859 + ... + 138618.

It is an arithmetic number, because the mean of its divisors is an integer number (34332228).

Almost surely, 2^648495260 is an apocalyptic number.

It is an amenable number.

648495260 is an abundant number, since it is smaller than the sum of its proper divisors (999451684).

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

648495260 is a wasteful number, since it uses less digits than its factorization.

648495260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272510 (or 272508 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 648495260 is about 25465.5700898291. The cubic root of 648495260 is about 865.5701454637.

The spelling of 648495260 in words is "six hundred forty-eight million, four hundred ninety-five thousand, two hundred sixty".