64015235652 has 24 divisors (see below), whose sum is σ = 149450870016. Its totient is φ = 21326699488.

The previous prime is 64015235633. The next prime is 64015235659. The reversal of 64015235652 is 25653251046.

It is a self number, because there is not a number n which added to its sum of digits gives 64015235652.

It is not an unprimeable number, because it can be changed into a prime (64015235659) 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, 1441263 + ... + 1485014.

It is an arithmetic number, because the mean of its divisors is an integer number (6227119584).

Almost surely, 2^64015235652 is an apocalyptic number.

It is an amenable number.

64015235652 is an abundant number, since it is smaller than the sum of its proper divisors (85435634364).

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

64015235652 is a wasteful number, since it uses less digits than its factorization.

64015235652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928107 (or 2928105 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 64015235652 its reverse (25653251046), we get a palindrome (89668486698).

The spelling of 64015235652 in words is "sixty-four billion, fifteen million, two hundred thirty-five thousand, six hundred fifty-two".