64452256 has 96 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 26484480.

The previous prime is 64452251. The next prime is 64452281. The reversal of 64452256 is 65225446.

It is not an unprimeable number, because it can be changed into a prime (64452251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153615 + ... + 154033.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^64452256 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 64452256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

64452256 is an abundant number, since it is smaller than the sum of its proper divisors (87957344).

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

64452256 is a wasteful number, since it uses less digits than its factorization.

64452256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 474 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 64452256 is about 8028.2162402367. The cubic root of 64452256 is about 400.9399893199.

It can be divided in two parts, 644 and 52256, that added together give a square (52900 = 230²).

The spelling of 64452256 in words is "sixty-four million, four hundred fifty-two thousand, two hundred fifty-six".