650134644 has 48 divisors (see below), whose sum is σ = 1602720000. Its totient is φ = 204781696.

The previous prime is 650134637. The next prime is 650134657. The reversal of 650134644 is 446431056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 36230.

It is an arithmetic number, because the mean of its divisors is an integer number (33390000).

Almost surely, 2^650134644 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 650134644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801360000).

650134644 is an abundant number, since it is smaller than the sum of its proper divisors (952585356).

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

650134644 is a wasteful number, since it uses less digits than its factorization.

650134644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39832 (or 39830 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 650134644 is about 25497.7380173222. The cubic root of 650134644 is about 866.2989134669.

The spelling of 650134644 in words is "six hundred fifty million, one hundred thirty-four thousand, six hundred forty-four".