40243514591 has 8 divisors (see below), whose sum is σ = 46422426240. Its totient is φ = 34172062488.

The previous prime is 40243514581. The next prime is 40243514653. The reversal of 40243514591 is 19541534204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40243514591 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 (40243514581) 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, 26864081 + ... + 26865578.

It is an arithmetic number, because the mean of its divisors is an integer number (5802803280).

Almost surely, 2^40243514591 is an apocalyptic number.

40243514591 is a deficient number, since it is larger than the sum of its proper divisors (6178911649).

40243514591 is a wasteful number, since it uses less digits than its factorization.

40243514591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53729773.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 40243514591 in words is "forty billion, two hundred forty-three million, five hundred fourteen thousand, five hundred ninety-one".