4661811880 has 64 divisors (see below), whose sum is σ = 12044894400. Its totient is φ = 1605980160.

The previous prime is 4661811863. The next prime is 4661811887. The reversal of 4661811880 is 881181664.

It is not an unprimeable number, because it can be changed into a prime (4661811887) by changing a digit.

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, 270457 + ... + 287176.

It is an arithmetic number, because the mean of its divisors is an integer number (188201475).

Almost surely, 2^4661811880 is an apocalyptic number.

4661811880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4661811880 is an abundant number, since it is smaller than the sum of its proper divisors (7383082520).

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

4661811880 is a wasteful number, since it uses less digits than its factorization.

4661811880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557674 (or 557670 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 4661811880 is about 68277.4624601706. The cubic root of 4661811880 is about 1670.5196226853.

The spelling of 4661811880 in words is "four billion, six hundred sixty-one million, eight hundred eleven thousand, eight hundred eighty".