650878448 has 40 divisors (see below), whose sum is σ = 1378840320. Its totient is φ = 295183040.

The previous prime is 650878381. The next prime is 650878453. The reversal of 650878448 is 844878056.

It is a junction number, because it is equal to n+sod(n) for n = 650878396 and 650878405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78233 + ... + 86151.

It is an arithmetic number, because the mean of its divisors is an integer number (34471008).

Almost surely, 2^650878448 is an apocalyptic number.

It is an amenable number.

650878448 is an abundant number, since it is smaller than the sum of its proper divisors (727961872).

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

650878448 is a wasteful number, since it uses less digits than its factorization.

650878448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 650878448 is about 25512.3195339036. The cubic root of 650878448 is about 866.6291584030.

The spelling of 650878448 in words is "six hundred fifty million, eight hundred seventy-eight thousand, four hundred forty-eight".