64041228 has 36 divisors (see below), whose sum is σ = 166260640. Its totient is φ = 20769696.

The previous prime is 64041179. The next prime is 64041253. The reversal of 64041228 is 82214046.

64041228 is a `hidden beast` number, since 640 + 4 + 12 + 2 + 8 = 666.

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, 22708 + ... + 25371.

Almost surely, 2^64041228 is an apocalyptic number.

It is an amenable number.

64041228 is an abundant number, since it is smaller than the sum of its proper divisors (102219412).

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

64041228 is a wasteful number, since it uses less digits than its factorization.

64041228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48126 (or 48121 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 64041228 is about 8002.5763351561. The cubic root of 64041228 is about 400.0858732298.

The spelling of 64041228 in words is "sixty-four million, forty-one thousand, two hundred twenty-eight".