650772468 has 108 divisors (see below), whose sum is σ = 1730165892. Its totient is φ = 214151040.

The previous prime is 650772457. The next prime is 650772487. The reversal of 650772468 is 864277056.

It can be written as a sum of positive squares in 2 ways, for example, as 143712144 + 507060324 = 11988^2 + 22518^2 .

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×650772468² = 847009610213622048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3595338 + ... + 3595518.

Almost surely, 2^650772468 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 650772468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865082946).

650772468 is an abundant number, since it is smaller than the sum of its proper divisors (1079393424).

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

650772468 is a wasteful number, since it uses less digits than its factorization.

650772468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 650772468 is about 25510.2424135875. The cubic root of 650772468 is about 866.5821192342.

The spelling of 650772468 in words is "six hundred fifty million, seven hundred seventy-two thousand, four hundred sixty-eight".