64028044 has 18 divisors (see below), whose sum is σ = 117136460. Its totient is φ = 30621096.

The previous prime is 64028023. The next prime is 64028057. The reversal of 64028044 is 44082046.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13014 + ... + 17245.

Almost surely, 2^64028044 is an apocalyptic number.

It is an amenable number.

64028044 is a deficient number, since it is larger than the sum of its proper divisors (53108416).

64028044 is a wasteful number, since it uses less digits than its factorization.

64028044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30309 (or 30284 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 64028044 is about 8001.7525580338. The cubic root of 64028044 is about 400.0584164684.

The spelling of 64028044 in words is "sixty-four million, twenty-eight thousand, forty-four".