650220544 has 44 divisors (see below), whose sum is σ = 1330124224. Its totient is φ = 317528064.

The previous prime is 650220521. The next prime is 650220553. The reversal of 650220544 is 445022056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36649 + ... + 51415.

It is an arithmetic number, because the mean of its divisors is an integer number (30230096).

Almost surely, 2^650220544 is an apocalyptic number.

650220544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650220544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665062112).

650220544 is an abundant number, since it is smaller than the sum of its proper divisors (679903680).

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

650220544 is a wasteful number, since it uses less digits than its factorization.

650220544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830 (or 14812 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 650220544 is about 25499.4224248315. The cubic root of 650220544 is about 866.3370654611.

The spelling of 650220544 in words is "six hundred fifty million, two hundred twenty thousand, five hundred forty-four".