64012288 has 30 divisors (see below), whose sum is σ = 128053436. Its totient is φ = 31997952.

The previous prime is 64012253. The next prime is 64012297. The reversal of 64012288 is 88221046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431 + ... + 18337.

Almost surely, 2^64012288 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 64012288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64026718).

64012288 is an abundant number, since it is smaller than the sum of its proper divisors (64041148).

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

64012288 is an frugal number, since it uses more digits than its factorization.

64012288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 64012288 is about 8000.7679631395. The cubic root of 64012288 is about 400.0255983618.

The spelling of 64012288 in words is "sixty-four million, twelve thousand, two hundred eighty-eight".