4067646928 has 20 divisors (see below), whose sum is σ = 7882440928. Its totient is φ = 2033468640.

The previous prime is 4067646893. The next prime is 4067646949. The reversal of 4067646928 is 8296467604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89413 + ... + 127003.

Almost surely, 2^4067646928 is an apocalyptic number.

It is an amenable number.

4067646928 is a deficient number, since it is larger than the sum of its proper divisors (3814794000).

4067646928 is a wasteful number, since it uses less digits than its factorization.

4067646928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44362 (or 44356 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 4067646928 is about 63778.1069646944. The cubic root of 4067646928 is about 1596.2996424436.

The spelling of 4067646928 in words is "four billion, sixty-seven million, six hundred forty-six thousand, nine hundred twenty-eight".