650520344 has 16 divisors (see below), whose sum is σ = 1261785600. Its totient is φ = 314044192.

The previous prime is 650520331. The next prime is 650520349. The reversal of 650520344 is 443025056.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650520349) 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 3 ways as a sum of consecutive naturals, for example, 1401752 + ... + 1402215.

It is an arithmetic number, because the mean of its divisors is an integer number (78861600).

Almost surely, 2^650520344 is an apocalyptic number.

It is an amenable number.

650520344 is a deficient number, since it is larger than the sum of its proper divisors (611265256).

650520344 is a wasteful number, since it uses less digits than its factorization.

650520344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804002 (or 2803998 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 650520344 is about 25505.3003118960. The cubic root of 650520344 is about 866.4701935958.

The spelling of 650520344 in words is "six hundred fifty million, five hundred twenty thousand, three hundred forty-four".