4678689444 has 48 divisors (see below), whose sum is σ = 12825503040. Its totient is φ = 1308723840.

The previous prime is 4678689437. The next prime is 4678689511. The reversal of 4678689444 is 4449868764.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361539 + ... + 1364970.

It is an arithmetic number, because the mean of its divisors is an integer number (267197980).

Almost surely, 2^4678689444 is an apocalyptic number.

4678689444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4678689444 is an abundant number, since it is smaller than the sum of its proper divisors (8146813596).

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

4678689444 is a wasteful number, since it uses less digits than its factorization.

4678689444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726540 (or 2726538 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 60.

The square root of 4678689444 is about 68400.9462215253. The cubic root of 4678689444 is about 1672.5331706417.

The spelling of 4678689444 in words is "four billion, six hundred seventy-eight million, six hundred eighty-nine thousand, four hundred forty-four".