64230444 has 36 divisors (see below), whose sum is σ = 169421616. Its totient is φ = 20479008.

The previous prime is 64230379. The next prime is 64230451. The reversal of 64230444 is 44403246.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37959 + ... + 39614.

It is an arithmetic number, because the mean of its divisors is an integer number (4706156).

Almost surely, 2^64230444 is an apocalyptic number.

It is an amenable number.

64230444 is an abundant number, since it is smaller than the sum of its proper divisors (105191172).

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

64230444 is a wasteful number, since it uses less digits than its factorization.

64230444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77606 (or 77601 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 64230444 is about 8014.3898083385. The cubic root of 64230444 is about 400.4795165965.

The spelling of 64230444 in words is "sixty-four million, two hundred thirty thousand, four hundred forty-four".