653673140 has 24 divisors (see below), whose sum is σ = 1389255840. Its totient is φ = 258318368.

The previous prime is 653673121. The next prime is 653673151. The reversal of 653673140 is 41376356.

653673140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 653673140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195230 + ... + 198549.

It is an arithmetic number, because the mean of its divisors is an integer number (57885660).

Almost surely, 2^653673140 is an apocalyptic number.

It is an amenable number.

653673140 is an abundant number, since it is smaller than the sum of its proper divisors (735582700).

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

653673140 is a wasteful number, since it uses less digits than its factorization.

653673140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393871 (or 393869 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 653673140 is about 25567.0322876942. The cubic root of 653673140 is about 867.8677426669.

The spelling of 653673140 in words is "six hundred fifty-three million, six hundred seventy-three thousand, one hundred forty".