4640876866881 has 48 divisors (see below), whose sum is σ = 7122551529600. Its totient is φ = 2982996507456.

The previous prime is 4640876866831. The next prime is 4640876866889. The reversal of 4640876866881 is 1886686780464.

4640876866881 is a `hidden beast` number, since 4 + 6 + 408 + 7 + 6 + 86 + 68 + 81 = 666.

It is not a de Polignac number, because 4640876866881 - 2⁷ = 4640876866753 is a prime.

It is a super-2 number, since 2×4640876866881² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4640876866889) 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 47 ways as a sum of consecutive naturals, for example, 448692196 + ... + 448702538.

It is an arithmetic number, because the mean of its divisors is an integer number (148386490200).

Almost surely, 2^{4640876866881} is an apocalyptic number.

It is an amenable number.

4640876866881 is a deficient number, since it is larger than the sum of its proper divisors (2481674662719).

4640876866881 is an equidigital number, since it uses as much as digits as its factorization.

4640876866881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11895 (or 11132 counting only the distinct ones).

The product of its (nonzero) digits is 594542592, while the sum is 72.

The spelling of 4640876866881 in words is "four trillion, six hundred forty billion, eight hundred seventy-six million, eight hundred sixty-six thousand, eight hundred eighty-one".