4640861604 has 24 divisors (see below), whose sum is σ = 11121345088. Its totient is φ = 1505144160.

The previous prime is 4640861543. The next prime is 4640861629. The reversal of 4640861604 is 4061680464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225752 + ... + 5226639.

Almost surely, 2^4640861604 is an apocalyptic number.

It is an amenable number.

4640861604 is an abundant number, since it is smaller than the sum of its proper divisors (6480483484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4640861604 is a wasteful number, since it uses less digits than its factorization.

4640861604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452435 (or 10452433 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 4640861604 is about 68123.8695612632. The cubic root of 4640861604 is about 1668.0134150593.

The spelling of 4640861604 in words is "four billion, six hundred forty million, eight hundred sixty-one thousand, six hundred four".