4080561864 has 64 divisors (see below), whose sum is σ = 10307088000. Its totient is φ = 1346171904.

The previous prime is 4080561857. The next prime is 4080561917. The reversal of 4080561864 is 4681650804.

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 15 ways as a sum of consecutive naturals, for example, 938704 + ... + 943040.

It is an arithmetic number, because the mean of its divisors is an integer number (161048250).

Almost surely, 2^4080561864 is an apocalyptic number.

It is an amenable number.

4080561864 is an abundant number, since it is smaller than the sum of its proper divisors (6226526136).

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

4080561864 is a wasteful number, since it uses less digits than its factorization.

4080561864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4738 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 4080561864 is about 63879.2757003396. The cubic root of 4080561864 is about 1597.9872952405.

The spelling of 4080561864 in words is "four billion, eighty million, five hundred sixty-one thousand, eight hundred sixty-four".