650212632 has 96 divisors (see below), whose sum is σ = 1820332800. Its totient is φ = 209539008.

The previous prime is 650212609. The next prime is 650212637. The reversal of 650212632 is 236212056.

650212632 is a `hidden beast` number, since 6 + 5 + 0 + 21 + 2 + 632 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 650212596 and 650212605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650212637) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 317869 + ... + 319907.

It is an arithmetic number, because the mean of its divisors is an integer number (18961800).

Almost surely, 2^650212632 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 650212632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910166400).

650212632 is an abundant number, since it is smaller than the sum of its proper divisors (1170120168).

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

650212632 is a wasteful number, since it uses less digits than its factorization.

650212632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 650212632 is about 25499.2672835907. The cubic root of 650212632 is about 866.3335515320. Note that the first 3 decimals are identical.

Adding to 650212632 its reverse (236212056), we get a palindrome (886424688).

The spelling of 650212632 in words is "six hundred fifty million, two hundred twelve thousand, six hundred thirty-two".