648410960 has 40 divisors (see below), whose sum is σ = 1508615496. Its totient is φ = 259182080.

The previous prime is 648410933. The next prime is 648410989. The reversal of 648410960 is 69014846.

It can be written as a sum of positive squares in 4 ways, for example, as 1420864 + 646990096 = 1192^2 + 25436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 217802 + ... + 220758.

Almost surely, 2^648410960 is an apocalyptic number.

It is an amenable number.

648410960 is an abundant number, since it is smaller than the sum of its proper divisors (860204536).

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

648410960 is a wasteful number, since it uses less digits than its factorization.

648410960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5705 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 648410960 is about 25463.9148600525. The cubic root of 648410960 is about 865.5326377492.

The spelling of 648410960 in words is "six hundred forty-eight million, four hundred ten thousand, nine hundred sixty".