4645640404 has 12 divisors (see below), whose sum is σ = 8157619764. Its totient is φ = 2314891904.

The previous prime is 4645640369. The next prime is 4645640437. The reversal of 4645640404 is 4040465464.

It can be written as a sum of positive squares in 2 ways, for example, as 4263828804 + 381811600 = 65298^2 + 19540^2 .

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, 1980757 + ... + 1983100.

It is an arithmetic number, because the mean of its divisors is an integer number (679801647).

Almost surely, 2^4645640404 is an apocalyptic number.

It is an amenable number.

4645640404 is a deficient number, since it is larger than the sum of its proper divisors (3511979360).

4645640404 is a wasteful number, since it uses less digits than its factorization.

4645640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964154 (or 3964152 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The square root of 4645640404 is about 68158.9348801755. The cubic root of 4645640404 is about 1668.5857490167.

The spelling of 4645640404 in words is "four billion, six hundred forty-five million, six hundred forty thousand, four hundred four".