4001001064 has 16 divisors (see below), whose sum is σ = 7828045920. Its totient is φ = 1913522160.

The previous prime is 4001001013. The next prime is 4001001089. The reversal of 4001001064 is 4601001004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10872102 + ... + 10872469.

It is an arithmetic number, because the mean of its divisors is an integer number (489252870).

Almost surely, 2^4001001064 is an apocalyptic number.

It is an amenable number.

4001001064 is a deficient number, since it is larger than the sum of its proper divisors (3827044856).

4001001064 is a wasteful number, since it uses less digits than its factorization.

4001001064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21744600 (or 21744596 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4001001064 is about 63253.4668140806. The cubic root of 4001001064 is about 1587.5334650932.

Adding to 4001001064 its reverse (4601001004), we get a palindrome (8602002068).

The spelling of 4001001064 in words is "four billion, one million, one thousand, sixty-four".