4046446064 has 20 divisors (see below), whose sum is σ = 7947388656. Its totient is φ = 1995507072.

The previous prime is 4046446043. The next prime is 4046446069. The reversal of 4046446064 is 4606446404.

It is a happy number.

It is a super-2 number, since 2×4046446064² = 32747451497722184192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046446069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731044 + ... + 1733379.

Almost surely, 2^4046446064 is an apocalyptic number.

It is an amenable number.

4046446064 is a deficient number, since it is larger than the sum of its proper divisors (3900942592).

4046446064 is a wasteful number, since it uses less digits than its factorization.

4046446064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464504 (or 3464498 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The square root of 4046446064 is about 63611.6818202443. The cubic root of 4046446064 is about 1593.5214678771.

The spelling of 4046446064 in words is "four billion, forty-six million, four hundred forty-six thousand, sixty-four".