648808626 has 8 divisors (see below), whose sum is σ = 1297617264. Its totient is φ = 216269540.

The previous prime is 648808613. The next prime is 648808631. The reversal of 648808626 is 626808846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

648808626 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54067380 + ... + 54067391.

It is an arithmetic number, because the mean of its divisors is an integer number (162202158).

Almost surely, 2^648808626 is an apocalyptic number.

648808626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

648808626 is a wasteful number, since it uses less digits than its factorization.

648808626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108134776.

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 648808626 is about 25471.7220854814. The cubic root of 648808626 is about 865.7095433350.

The spelling of 648808626 in words is "six hundred forty-eight million, eight hundred eight thousand, six hundred twenty-six".