4000001042 has 8 divisors (see below), whose sum is σ = 6031090236. Its totient is φ = 1989637632.

The previous prime is 4000001039. The next prime is 4000001051. The reversal of 4000001042 is 2401000004.

4000001042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3999171121 + 829921 = 63239^2 + 911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5180963 + ... + 5181734.

Almost surely, 2^4000001042 is an apocalyptic number.

4000001042 is a deficient number, since it is larger than the sum of its proper divisors (2031089194).

4000001042 is a wasteful number, since it uses less digits than its factorization.

4000001042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362892.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4000001042 is about 63245.5614411004. The cubic root of 4000001042 is about 1587.4011898075.

Adding to 4000001042 its reverse (2401000004), we get a palindrome (6401001046).

The spelling of 4000001042 in words is "four billion, one thousand, forty-two".