4646402644 has 12 divisors (see below), whose sum is σ = 8756682004. Its totient is φ = 2144493504.

The previous prime is 4646402627. The next prime is 4646402669. The reversal of 4646402644 is 4462046464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2187432900 + 2458969744 = 46770^2 + 49588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4646402597 and 4646402606.

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, 44676897 + ... + 44677000.

Almost surely, 2^4646402644 is an apocalyptic number.

It is an amenable number.

4646402644 is a deficient number, since it is larger than the sum of its proper divisors (4110279360).

4646402644 is a wasteful number, since it uses less digits than its factorization.

4646402644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89353914 (or 89353912 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The square root of 4646402644 is about 68164.5262875053. The cubic root of 4646402644 is about 1668.6770025459.

The spelling of 4646402644 in words is "four billion, six hundred forty-six million, four hundred two thousand, six hundred forty-four".