4011043680 has 144 divisors (see below), whose sum is σ = 15643109664. Its totient is φ = 916807680.

The previous prime is 4011043651. The next prime is 4011043691. The reversal of 4011043680 is 863401104.

4011043680 is a `hidden beast` number, since 40 + 110 + 436 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 188881 + ... + 209040.

It is an arithmetic number, because the mean of its divisors is an integer number (108632706).

Almost surely, 2^4011043680 is an apocalyptic number.

4011043680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4011043680 is an abundant number, since it is smaller than the sum of its proper divisors (11632065984).

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

4011043680 is a wasteful number, since it uses less digits than its factorization.

4011043680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397949 (or 397938 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4011043680 is about 63332.8009802188. The cubic root of 4011043680 is about 1588.8606053253.

Adding to 4011043680 its reverse (863401104), we get a palindrome (4874444784).

The spelling of 4011043680 in words is "four billion, eleven million, forty-three thousand, six hundred eighty".