440005064 has 8 divisors (see below), whose sum is σ = 825009510. Its totient is φ = 220002528.

The previous prime is 440005043. The next prime is 440005121. The reversal of 440005064 is 460500044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 426092164 + 13912900 = 20642^2 + 3730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500309 + ... + 27500324.

Almost surely, 2^440005064 is an apocalyptic number.

It is an amenable number.

440005064 is a deficient number, since it is larger than the sum of its proper divisors (385004446).

440005064 is a wasteful number, since it uses less digits than its factorization.

440005064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000639 (or 55000635 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 440005064 is about 20976.2976714195. The cubic root of 440005064 is about 760.5934100428.

The spelling of 440005064 in words is "four hundred forty million, five thousand, sixty-four".