40121043199 has 8 divisors (see below), whose sum is σ = 40987231488. Its totient is φ = 39255377880.

The previous prime is 40121043187. The next prime is 40121043217. The reversal of 40121043199 is 99134012104.

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 40121043199 - 2¹¹ = 40121041151 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 (40121043139) 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, 26364 + ... + 284494.

It is an arithmetic number, because the mean of its divisors is an integer number (5123403936).

Almost surely, 2^40121043199 is an apocalyptic number.

40121043199 is a deficient number, since it is larger than the sum of its proper divisors (866188289).

40121043199 is a wasteful number, since it uses less digits than its factorization.

40121043199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261485.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 40121043199 in words is "forty billion, one hundred twenty-one million, forty-three thousand, one hundred ninety-nine".