650133312 has 112 divisors (see below), whose sum is σ = 1829531520. Its totient is φ = 203046912.

The previous prime is 650133311. The next prime is 650133343. The reversal of 650133312 is 213331056.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650133311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334733 + ... + 1335219.

Almost surely, 2^650133312 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 650133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914765760).

650133312 is an abundant number, since it is smaller than the sum of its proper divisors (1179398208).

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

650133312 is a wasteful number, since it uses less digits than its factorization.

650133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 650133312 is about 25497.7118973448. The cubic root of 650133312 is about 866.2983218402.

Adding to 650133312 its reverse (213331056), we get a palindrome (863464368).

The spelling of 650133312 in words is "six hundred fifty million, one hundred thirty-three thousand, three hundred twelve".