40240244191 has 8 divisors (see below), whose sum is σ = 48409316480. Its totient is φ = 32676288408.

The previous prime is 40240244189. The next prime is 40240244207. The reversal of 40240244191 is 19144204204.

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 40240244191 - 2¹ = 40240244189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240244131) 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, 151278981 + ... + 151279246.

It is an arithmetic number, because the mean of its divisors is an integer number (6051164560).

Almost surely, 2^40240244191 is an apocalyptic number.

40240244191 is a deficient number, since it is larger than the sum of its proper divisors (8169072289).

40240244191 is a wasteful number, since it uses less digits than its factorization.

40240244191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302558253.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 40240244191 its reverse (19144204204), we get a palindrome (59384448395).

The spelling of 40240244191 in words is "forty billion, two hundred forty million, two hundred forty-four thousand, one hundred ninety-one".