4048040040041 has 4 divisors (see below), whose sum is σ = 4048055550084. Its totient is φ = 4048024530000.

The previous prime is 4048040039977. The next prime is 4048040040043. The reversal of 4048040040041 is 1400400408404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1701383705641 + 2346656334400 = 1304371^2 + 1531880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048040040041 - 2⁶ = 4048040039977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4048040039986 and 4048040040013.

It is not an unprimeable number, because it can be changed into a prime (4048040040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7356710 + ... + 7887791.

It is an arithmetic number, because the mean of its divisors is an integer number (1012013887521).

Almost surely, 2^{4048040040041} is an apocalyptic number.

It is an amenable number.

4048040040041 is a deficient number, since it is larger than the sum of its proper divisors (15510043).

4048040040041 is a wasteful number, since it uses less digits than its factorization.

4048040040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510042.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4048040040041 its reverse (1400400408404), we get a palindrome (5448440448445).

The spelling of 4048040040041 in words is "four trillion, forty-eight billion, forty million, forty thousand, forty-one".