40294043531911 has 4 divisors (see below), whose sum is σ = 43393585342072. Its totient is φ = 37194501721752.

The previous prime is 40294043531899. The next prime is 40294043531947. The reversal of 40294043531911 is 11913534049204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40294043531911 - 2¹⁹ = 40294043007623 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 (40294043531981) 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, 1549770905061 + ... + 1549770905086.

It is an arithmetic number, because the mean of its divisors is an integer number (10848396335518).

Almost surely, 2^{40294043531911} is an apocalyptic number.

40294043531911 is a deficient number, since it is larger than the sum of its proper divisors (3099541810161).

40294043531911 is a wasteful number, since it uses less digits than its factorization.

40294043531911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099541810160.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 40294043531911 in words is "forty trillion, two hundred ninety-four billion, forty-three million, five hundred thirty-one thousand, nine hundred eleven".