652212440 has 32 divisors (see below), whose sum is σ = 1600886160. Its totient is φ = 237168000.

The previous prime is 652212439. The next prime is 652212479. The reversal of 652212440 is 44212256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740711 + ... + 741590.

Almost surely, 2^652212440 is an apocalyptic number.

It is an amenable number.

652212440 is an abundant number, since it is smaller than the sum of its proper divisors (948673720).

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

652212440 is a wasteful number, since it uses less digits than its factorization.

652212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482323 (or 1482319 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 652212440 is about 25538.4502270596. The cubic root of 652212440 is about 867.2208139127.

Adding to 652212440 its reverse (44212256), we get a palindrome (696424696).

The spelling of 652212440 in words is "six hundred fifty-two million, two hundred twelve thousand, four hundred forty".