648550260 has 48 divisors (see below), whose sum is σ = 2017713600. Its totient is φ = 172946592.

The previous prime is 648550207. The next prime is 648550271. The reversal of 648550260 is 62055846.

648550260 is a `hidden beast` number, since 6 + 48 + 550 + 2 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599970 + ... + 601049.

It is an arithmetic number, because the mean of its divisors is an integer number (42035700).

Almost surely, 2^648550260 is an apocalyptic number.

648550260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

648550260 is an abundant number, since it is smaller than the sum of its proper divisors (1369163340).

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

648550260 is a wasteful number, since it uses less digits than its factorization.

648550260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201037 (or 1201029 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 648550260 is about 25466.6499563645. The cubic root of 648550260 is about 865.5946149369.

The spelling of 648550260 in words is "six hundred forty-eight million, five hundred fifty thousand, two hundred sixty".