40121343241 has 8 divisors (see below), whose sum is σ = 45854276864. Its totient is φ = 34388737920.

The previous prime is 40121343233. The next prime is 40121343263. The reversal of 40121343241 is 14234312104.

40121343241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40121343241 - 2³ = 40121343233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40121343271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295801 + ... + 409561.

It is an arithmetic number, because the mean of its divisors is an integer number (5731784608).

Almost surely, 2^40121343241 is an apocalyptic number.

It is an amenable number.

40121343241 is a deficient number, since it is larger than the sum of its proper divisors (5732933623).

40121343241 is a wasteful number, since it uses less digits than its factorization.

40121343241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164151.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40121343241 its reverse (14234312104), we get a palindrome (54355655345).

The spelling of 40121343241 in words is "forty billion, one hundred twenty-one million, three hundred forty-three thousand, two hundred forty-one".