652744540 has 24 divisors (see below), whose sum is σ = 1566587232. Its totient is φ = 223798080.

The previous prime is 652744523. The next prime is 652744541. The reversal of 652744540 is 45447256.

652744540 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 652744540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652744541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331091 + ... + 2331370.

It is an arithmetic number, because the mean of its divisors is an integer number (65274468).

Almost surely, 2^652744540 is an apocalyptic number.

It is an amenable number.

652744540 is an abundant number, since it is smaller than the sum of its proper divisors (913842692).

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

652744540 is a wasteful number, since it uses less digits than its factorization.

652744540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662477 (or 4662475 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 652744540 is about 25548.8657282471. The cubic root of 652744540 is about 867.4565871744.

The spelling of 652744540 in words is "six hundred fifty-two million, seven hundred forty-four thousand, five hundred forty".