40040331242201 has 4 divisors (see below), whose sum is σ = 40040358949812. Its totient is φ = 40040303534592.

The previous prime is 40040331242179. The next prime is 40040331242227. The reversal of 40040331242201 is 10224213304004.

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 4954564033225 + 35085767208976 = 2225885^2 + 5923324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40040331242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040331242101) 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, 11559500 + ... + 14618573.

It is an arithmetic number, because the mean of its divisors is an integer number (10010089737453).

Almost surely, 2^{40040331242201} is an apocalyptic number.

It is an amenable number.

40040331242201 is a deficient number, since it is larger than the sum of its proper divisors (27707611).

40040331242201 is a wasteful number, since it uses less digits than its factorization.

40040331242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27707610.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40040331242201 its reverse (10224213304004), we get a palindrome (50264544546205).

The spelling of 40040331242201 in words is "forty trillion, forty billion, three hundred thirty-one million, two hundred forty-two thousand, two hundred one".