40013240554241 has 4 divisors (see below), whose sum is σ = 40038108946500. Its totient is φ = 39988372161984.

The previous prime is 40013240554193. The next prime is 40013240554247. The reversal of 40013240554241 is 14245504231004.

It is a happy number.

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 23207381299216 + 16805859255025 = 4817404^2 + 4099495^2 .

It is a cyclic number.

It is not a de Polignac number, because 40013240554241 - 2¹⁰ = 40013240553217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013240554247) 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, 12434193716 + ... + 12434196933.

It is an arithmetic number, because the mean of its divisors is an integer number (10009527236625).

Almost surely, 2^{40013240554241} is an apocalyptic number.

It is an amenable number.

40013240554241 is a deficient number, since it is larger than the sum of its proper divisors (24868392259).

40013240554241 is a wasteful number, since it uses less digits than its factorization.

40013240554241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24868392258.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 40013240554241 its reverse (14245504231004), we get a palindrome (54258744785245).

The spelling of 40013240554241 in words is "forty trillion, thirteen billion, two hundred forty million, five hundred fifty-four thousand, two hundred forty-one".