652240512 has 640 divisors, whose sum is σ = 2606630400. Its totient is φ = 156764160.

The previous prime is 652240481. The next prime is 652240529. The reversal of 652240512 is 215042256.

652240512 is a `hidden beast` number, since 652 + 2 + 4 + 0 + 5 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15168363 + ... + 15168405.

It is an arithmetic number, because the mean of its divisors is an integer number (4072860).

Almost surely, 2^652240512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652240512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303315200).

652240512 is an abundant number, since it is smaller than the sum of its proper divisors (1954389888).

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

652240512 is a wasteful number, since it uses less digits than its factorization.

652240512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 652240512 is about 25538.9998237989. Note that the first 3 decimals coincide. The cubic root of 652240512 is about 867.2332558063.

Adding to 652240512 its reverse (215042256), we get a palindrome (867282768).

The spelling of 652240512 in words is "six hundred fifty-two million, two hundred forty thousand, five hundred twelve".