40000221341 has 4 divisors (see below), whose sum is σ = 40000639932. Its totient is φ = 39999802752.

The previous prime is 40000221307. The next prime is 40000221367. The reversal of 40000221341 is 14312200004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32873316100 + 7126905241 = 181310^2 + 84421^2 .

It is a cyclic number.

It is not a de Polignac number, because 40000221341 - 2³⁰ = 38926479517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000221241) 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, 12131 + ... + 283103.

It is an arithmetic number, because the mean of its divisors is an integer number (10000159983).

Almost surely, 2^40000221341 is an apocalyptic number.

It is an amenable number.

40000221341 is a deficient number, since it is larger than the sum of its proper divisors (418591).

40000221341 is a wasteful number, since it uses less digits than its factorization.

40000221341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418590.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40000221341 its reverse (14312200004), we get a palindrome (54312421345).

The spelling of 40000221341 in words is "forty billion, two hundred twenty-one thousand, three hundred forty-one".