650458464 has 108 divisors (see below), whose sum is σ = 1815298884. Its totient is φ = 203908608.

The previous prime is 650458451. The next prime is 650458489. The reversal of 650458464 is 464854056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4747804 + ... + 4747940.

It is an arithmetic number, because the mean of its divisors is an integer number (16808323).

Almost surely, 2^650458464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650458464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907649442).

650458464 is an abundant number, since it is smaller than the sum of its proper divisors (1164840420).

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

650458464 is a wasteful number, since it uses less digits than its factorization.

650458464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 650458464 is about 25504.0872018585. The cubic root of 650458464 is about 866.4427187309.

The spelling of 650458464 in words is "six hundred fifty million, four hundred fifty-eight thousand, four hundred sixty-four".