652651512540 has 48 divisors (see below), whose sum is σ = 1827692512800. Its totient is φ = 174014853120.

The previous prime is 652651512521. The next prime is 652651512547. The reversal of 652651512540 is 45215156256.

It is a junction number, because it is equal to n+sod(n) for n = 652651512492 and 652651512501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652651512547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384565 + ... + 1205484.

It is an arithmetic number, because the mean of its divisors is an integer number (38076927350).

Almost surely, 2^652651512540 is an apocalyptic number.

652651512540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652651512540 is an abundant number, since it is smaller than the sum of its proper divisors (1175041000260).

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

652651512540 is a wasteful number, since it uses less digits than its factorization.

652651512540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596902 (or 1596900 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 652651512540 its reverse (45215156256), we get a palindrome (697866668796).

The spelling of 652651512540 in words is "six hundred fifty-two billion, six hundred fifty-one million, five hundred twelve thousand, five hundred forty".