4881640536 has 24 divisors (see below), whose sum is σ = 13221109980. Its totient is φ = 1627213488.

The previous prime is 4881640513. The next prime is 4881640541. The reversal of 4881640536 is 6350461884.

4881640536 is a `hidden beast` number, since 488 + 164 + 0 + 5 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 4881640491 and 4881640500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33900210 + ... + 33900353.

Almost surely, 2^4881640536 is an apocalyptic number.

It is an amenable number.

4881640536 is an abundant number, since it is smaller than the sum of its proper divisors (8339469444).

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

4881640536 is a wasteful number, since it uses less digits than its factorization.

4881640536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67800575 (or 67800568 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 4881640536 is about 69868.7379018685. The cubic root of 4881640536 is about 1696.3752683227.

The spelling of 4881640536 in words is "four billion, eight hundred eighty-one million, six hundred forty thousand, five hundred thirty-six".