650464506 has 160 divisors (see below), whose sum is σ = 1681067520. Its totient is φ = 186624000.

The previous prime is 650464501. The next prime is 650464531. The reversal of 650464506 is 605464056.

It is a happy number.

650464506 is a `hidden beast` number, since 6 + 5 + 0 + 4 + 645 + 0 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (650464501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1621906 + ... + 1622306.

It is an arithmetic number, because the mean of its divisors is an integer number (10506672).

Almost surely, 2^650464506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650464506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840533760).

650464506 is an abundant number, since it is smaller than the sum of its proper divisors (1030603014).

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

650464506 is a wasteful number, since it uses less digits than its factorization.

650464506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 650464506 is about 25504.2056531859. The cubic root of 650464506 is about 866.4454014698.

The spelling of 650464506 in words is "six hundred fifty million, four hundred sixty-four thousand, five hundred six".