40202402041 has 4 divisors (see below), whose sum is σ = 40616859892. Its totient is φ = 39787944192.

The previous prime is 40202402039. The next prime is 40202402099. The reversal of 40202402041 is 14020420204.

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 24220385641 + 15982016400 = 155629^2 + 126420^2 .

It is a cyclic number.

It is not a de Polignac number, because 40202402041 - 2¹ = 40202402039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40202402341) 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, 207228780 + ... + 207228973.

It is an arithmetic number, because the mean of its divisors is an integer number (10154214973).

Almost surely, 2^40202402041 is an apocalyptic number.

It is an amenable number.

40202402041 is a deficient number, since it is larger than the sum of its proper divisors (414457851).

40202402041 is an equidigital number, since it uses as much as digits as its factorization.

40202402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414457850.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40202402041 its reverse (14020420204), we get a palindrome (54222822245).

The spelling of 40202402041 in words is "forty billion, two hundred two million, four hundred two thousand, forty-one".