40459926943 has 8 divisors (see below), whose sum is σ = 41572591280. Its totient is φ = 39348270720.

The previous prime is 40459926887. The next prime is 40459926973. The reversal of 40459926943 is 34962995404.

It is a happy number.

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-40459926943 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 (40459926973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170298 + ... + 331543.

It is an arithmetic number, because the mean of its divisors is an integer number (5196573910).

Almost surely, 2^40459926943 is an apocalyptic number.

40459926943 is a deficient number, since it is larger than the sum of its proper divisors (1112664337).

40459926943 is a wasteful number, since it uses less digits than its factorization.

40459926943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504057.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 40459926943 in words is "forty billion, four hundred fifty-nine million, nine hundred twenty-six thousand, nine hundred forty-three".