652405340 has 12 divisors (see below), whose sum is σ = 1370051256. Its totient is φ = 260962128.

The previous prime is 652405339. The next prime is 652405343. The reversal of 652405340 is 43504256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652405343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16310114 + ... + 16310153.

It is an arithmetic number, because the mean of its divisors is an integer number (114170938).

Almost surely, 2^652405340 is an apocalyptic number.

It is an amenable number.

652405340 is an abundant number, since it is smaller than the sum of its proper divisors (717645916).

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

652405340 is a wasteful number, since it uses less digits than its factorization.

652405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32620276 (or 32620274 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 652405340 is about 25542.2266061516. The cubic root of 652405340 is about 867.3063026252.

Adding to 652405340 its reverse (43504256), we get a palindrome (695909596).

The spelling of 652405340 in words is "six hundred fifty-two million, four hundred five thousand, three hundred forty".