64466244 has 36 divisors (see below), whose sum is σ = 172543644. Its totient is φ = 20224512.

The previous prime is 64466231. The next prime is 64466251. The reversal of 64466244 is 44266446.

It is a happy number.

64466244 is a `hidden beast` number, since 644 + 6 + 6 + 2 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58706244 + 5760000 = 7662^2 + 2400^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64466199 and 64466208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52057 + ... + 53280.

It is an arithmetic number, because the mean of its divisors is an integer number (4792879).

Almost surely, 2^64466244 is an apocalyptic number.

It is an amenable number.

64466244 is an abundant number, since it is smaller than the sum of its proper divisors (108077400).

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

64466244 is a wasteful number, since it uses less digits than its factorization.

64466244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105364 (or 105359 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 64466244 is about 8029.0873703055. The cubic root of 64466244 is about 400.9689924055.

The spelling of 64466244 in words is "sixty-four million, four hundred sixty-six thousand, two hundred forty-four".