4156011442 has 12 divisors (see below), whose sum is σ = 6852267198. Its totient is φ = 1889096000.

The previous prime is 4156011413. The next prime is 4156011467. The reversal of 4156011442 is 2441106514.

It can be written as a sum of positive squares in only one way, i.e., 4153673601 + 2337841 = 64449^2 + 1529^2 .

It is a super-2 number, since 2×4156011442² = 34544862212069838728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4156011442.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8586559 + ... + 8587042.

Almost surely, 2^4156011442 is an apocalyptic number.

4156011442 is a deficient number, since it is larger than the sum of its proper divisors (2696255756).

4156011442 is a wasteful number, since it uses less digits than its factorization.

4156011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17173625 (or 17173614 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4156011442 is about 64467.1345880985. The cubic root of 4156011442 is about 1607.7761359372.

Adding to 4156011442 its reverse (2441106514), we get a palindrome (6597117956).

The spelling of 4156011442 in words is "four billion, one hundred fifty-six million, eleven thousand, four hundred forty-two".