64652288 has 44 divisors (see below), whose sum is σ = 136084560. Its totient is φ = 30615552.

The previous prime is 64652279. The next prime is 64652293. The reversal of 64652288 is 88225646.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17795 + ... + 21117.

Almost surely, 2^64652288 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 64652288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68042280).

64652288 is an abundant number, since it is smaller than the sum of its proper divisors (71432272).

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

64652288 is a wasteful number, since it uses less digits than its factorization.

64652288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3344 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 64652288 is about 8040.6646491444. The cubic root of 64652288 is about 401.3543425486.

The spelling of 64652288 in words is "sixty-four million, six hundred fifty-two thousand, two hundred eighty-eight".