40050021041 has 4 divisors (see below), whose sum is σ = 40051966500. Its totient is φ = 40048075584.

The previous prime is 40050021001. The next prime is 40050021043. The reversal of 40050021041 is 14012005004.

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 11852894641 + 28197126400 = 108871^2 + 167920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40050021041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40050021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941516 + ... + 983133.

It is an arithmetic number, because the mean of its divisors is an integer number (10012991625).

Almost surely, 2^40050021041 is an apocalyptic number.

It is an amenable number.

40050021041 is a deficient number, since it is larger than the sum of its proper divisors (1945459).

40050021041 is a wasteful number, since it uses less digits than its factorization.

40050021041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945458.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 40050021041 its reverse (14012005004), we get a palindrome (54062026045).

The spelling of 40050021041 in words is "forty billion, fifty million, twenty-one thousand, forty-one".