4004040041 has 4 divisors (see below), whose sum is σ = 4005138000. Its totient is φ = 4002942084.

The previous prime is 4004040017. The next prime is 4004040043. The reversal of 4004040041 is 1400404004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4004040041 - 2²² = 3999845737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4004040043) 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, 543491 + ... + 550808.

It is an arithmetic number, because the mean of its divisors is an integer number (1001284500).

Almost surely, 2^4004040041 is an apocalyptic number.

It is an amenable number.

4004040041 is a deficient number, since it is larger than the sum of its proper divisors (1097959).

4004040041 is a wasteful number, since it uses less digits than its factorization.

4004040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097958.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4004040041 is about 63277.4844711766. The cubic root of 4004040041 is about 1587.9353025868.

Adding to 4004040041 its reverse (1400404004), we get a palindrome (5404444045).

The spelling of 4004040041 in words is "four billion, four million, forty thousand, forty-one".