4140645041 has 4 divisors (see below), whose sum is σ = 4459156212. Its totient is φ = 3822133872.

The previous prime is 4140645023. The next prime is 4140645049. The reversal of 4140645041 is 1405460414.

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 508051600 + 3632593441 = 22540^2 + 60271^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140645041 - 2²² = 4136450737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4140644995 and 4140645013.

It is not an unprimeable number, because it can be changed into a prime (4140645049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159255566 + ... + 159255591.

It is an arithmetic number, because the mean of its divisors is an integer number (1114789053).

Almost surely, 2^4140645041 is an apocalyptic number.

It is an amenable number.

4140645041 is a deficient number, since it is larger than the sum of its proper divisors (318511171).

4140645041 is a wasteful number, since it uses less digits than its factorization.

4140645041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318511170.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4140645041 is about 64347.8441053001. The cubic root of 4140645041 is about 1605.7921628587.

The spelling of 4140645041 in words is "four billion, one hundred forty million, six hundred forty-five thousand, forty-one".