4001063680 has 36 divisors (see below), whose sum is σ = 9583800912. Its totient is φ = 1600424960.

The previous prime is 4001063653. The next prime is 4001063683. The reversal of 4001063680 is 863601004.

4001063680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4001063683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561636 + ... + 1564195.

It is an arithmetic number, because the mean of its divisors is an integer number (266216692).

Almost surely, 2^4001063680 is an apocalyptic number.

4001063680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001063680 is an abundant number, since it is smaller than the sum of its proper divisors (5582737232).

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

4001063680 is an equidigital number, since it uses as much as digits as its factorization.

4001063680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125852 (or 3125838 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4001063680 is about 63253.9617731569. The cubic root of 4001063680 is about 1587.5417467270.

Adding to 4001063680 its reverse (863601004), we get a palindrome (4864664684).

The spelling of 4001063680 in words is "four billion, one million, sixty-three thousand, six hundred eighty".