4681578464 has 24 divisors (see below), whose sum is σ = 9227666448. Its totient is φ = 2338044160.

The previous prime is 4681578463. The next prime is 4681578479. The reversal of 4681578464 is 4648751864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681578463) 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, 57932 + ... + 112779.

It is an arithmetic number, because the mean of its divisors is an integer number (384486102).

Almost surely, 2^4681578464 is an apocalyptic number.

It is an amenable number.

4681578464 is a deficient number, since it is larger than the sum of its proper divisors (4546087984).

4681578464 is a wasteful number, since it uses less digits than its factorization.

4681578464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171578 (or 171570 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The square root of 4681578464 is about 68422.0612375862. The cubic root of 4681578464 is about 1672.8773544579.

The spelling of 4681578464 in words is "four billion, six hundred eighty-one million, five hundred seventy-eight thousand, four hundred sixty-four".