40144242341 has 4 divisors (see below), whose sum is σ = 45879134112. Its totient is φ = 34409350572.

The previous prime is 40144242337. The next prime is 40144242349. The reversal of 40144242341 is 14324244104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40144242341 - 2² = 40144242337 is a prime.

It is a super-2 number, since 2×40144242341² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40144242349) 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, 2867445875 + ... + 2867445888.

It is an arithmetic number, because the mean of its divisors is an integer number (11469783528).

Almost surely, 2^40144242341 is an apocalyptic number.

It is an amenable number.

40144242341 is a deficient number, since it is larger than the sum of its proper divisors (5734891771).

40144242341 is an equidigital number, since it uses as much as digits as its factorization.

40144242341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734891770.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40144242341 its reverse (14324244104), we get a palindrome (54468486445).

The spelling of 40144242341 in words is "forty billion, one hundred forty-four million, two hundred forty-two thousand, three hundred forty-one".