4376401668 has 36 divisors (see below), whose sum is σ = 11102533260. Its totient is φ = 1453530816.

The previous prime is 4376401643. The next prime is 4376401691. The reversal of 4376401668 is 8661046734.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2943930564 + 1432471104 = 54258^2 + 37848^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209463 + ... + 229406.

Almost surely, 2^4376401668 is an apocalyptic number.

It is an amenable number.

4376401668 is an abundant number, since it is smaller than the sum of its proper divisors (6726131592).

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

4376401668 is a wasteful number, since it uses less digits than its factorization.

4376401668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439156 (or 439151 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 4376401668 is about 66154.3775422307. The cubic root of 4376401668 is about 1635.7078011673.

The spelling of 4376401668 in words is "four billion, three hundred seventy-six million, four hundred one thousand, six hundred sixty-eight".