4000067712 has 96 divisors (see below), whose sum is σ = 11937023280. Its totient is φ = 1333345536.

The previous prime is 4000067653. The next prime is 4000067779. The reversal of 4000067712 is 2177600004.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 33198 + ... + 95405.

Almost surely, 2^4000067712 is an apocalyptic number.

It is an amenable number.

4000067712 is an abundant number, since it is smaller than the sum of its proper divisors (7936955568).

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

4000067712 is an equidigital number, since it uses as much as digits as its factorization.

4000067712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128632 (or 128608 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 4000067712 is about 63246.0885114645. The cubic root of 4000067712 is about 1587.4100090927.

Adding to 4000067712 its reverse (2177600004), we get a palindrome (6177667716).

The spelling of 4000067712 in words is "four billion, sixty-seven thousand, seven hundred twelve".