650848144 has 40 divisors (see below), whose sum is σ = 1286080632. Its totient is φ = 319011840.

The previous prime is 650848139. The next prime is 650848157. The reversal of 650848144 is 441848056.

It can be written as a sum of positive squares in 4 ways, for example, as 341510400 + 309337744 = 18480^2 + 17588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650848097 and 650848106.

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, 200454 + ... + 203674.

Almost surely, 2^650848144 is an apocalyptic number.

It is an amenable number.

650848144 is a deficient number, since it is larger than the sum of its proper divisors (635232488).

650848144 is a wasteful number, since it uses less digits than its factorization.

650848144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 650848144 is about 25511.7256178409. The cubic root of 650848144 is about 866.6157085094.

The spelling of 650848144 in words is "six hundred fifty million, eight hundred forty-eight thousand, one hundred forty-four".