4878561340 has 24 divisors (see below), whose sum is σ = 10279956960. Its totient is φ = 1944762048.

The previous prime is 4878561329. The next prime is 4878561361. The reversal of 4878561340 is 431658784.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410400 + ... + 422119.

It is an arithmetic number, because the mean of its divisors is an integer number (428331540).

Almost surely, 2^4878561340 is an apocalyptic number.

It is an amenable number.

4878561340 is an abundant number, since it is smaller than the sum of its proper divisors (5401395620).

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

4878561340 is a wasteful number, since it uses less digits than its factorization.

4878561340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832821 (or 832819 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 4878561340 is about 69846.6988482634. The cubic root of 4878561340 is about 1696.0185186768.

The spelling of 4878561340 in words is "four billion, eight hundred seventy-eight million, five hundred sixty-one thousand, three hundred forty".