653340244 has 6 divisors (see below), whose sum is σ = 1143345434. Its totient is φ = 326670120.

The previous prime is 653340241. The next prime is 653340253. The reversal of 653340244 is 442043356.

653340244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 263672644 = 19740^2 + 16238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653340241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81667527 + ... + 81667534.

Almost surely, 2^653340244 is an apocalyptic number.

It is an amenable number.

653340244 is a deficient number, since it is larger than the sum of its proper divisors (490005190).

653340244 is a wasteful number, since it uses less digits than its factorization.

653340244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163335065 (or 163335063 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 653340244 is about 25560.5211996939. The cubic root of 653340244 is about 867.7203913682.

The spelling of 653340244 in words is "six hundred fifty-three million, three hundred forty thousand, two hundred forty-four".