650534976 has 420 divisors, whose sum is σ = 2428047468. Its totient is φ = 170698752.

The previous prime is 650534947. The next prime is 650535001. The reversal of 650534976 is 679435056.

It can be written as a sum of positive squares in 2 ways, for example, as 406425600 + 244109376 = 20160^2 + 15624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3302110 + ... + 3302306.

Almost surely, 2^650534976 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 650534976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214023734).

650534976 is an abundant number, since it is smaller than the sum of its proper divisors (1777512492).

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

650534976 is a wasteful number, since it uses less digits than its factorization.

650534976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 650534976 is about 25505.5871526221. The cubic root of 650534976 is about 866.4766899834.

The spelling of 650534976 in words is "six hundred fifty million, five hundred thirty-four thousand, nine hundred seventy-six".