4406064646 has 4 divisors (see below), whose sum is σ = 6609096972. Its totient is φ = 2203032322.

The previous prime is 4406064629. The next prime is 4406064661. The reversal of 4406064646 is 6464606044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4406064646² = 38826811329462210632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4406064599 and 4406064608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101516160 + ... + 1101516163.

It is an arithmetic number, because the mean of its divisors is an integer number (1652274243).

Almost surely, 2^4406064646 is an apocalyptic number.

4406064646 is a deficient number, since it is larger than the sum of its proper divisors (2203032326).

4406064646 is a wasteful number, since it uses less digits than its factorization.

4406064646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203032325.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 4406064646 is about 66378.1940549756. The cubic root of 4406064646 is about 1639.3950582150.

The spelling of 4406064646 in words is "four billion, four hundred six million, sixty-four thousand, six hundred forty-six".