40343832028 has 24 divisors (see below), whose sum is σ = 70845722640. Its totient is φ = 20102269440.

The previous prime is 40343831989. The next prime is 40343832029. The reversal of 40343832028 is 82023834304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343832029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518083 + ... + 2534053.

It is an arithmetic number, because the mean of its divisors is an integer number (2951905110).

Almost surely, 2^40343832028 is an apocalyptic number.

It is an amenable number.

40343832028 is a deficient number, since it is larger than the sum of its proper divisors (30501890612).

40343832028 is a wasteful number, since it uses less digits than its factorization.

40343832028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18117 (or 18115 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 40343832028 in words is "forty billion, three hundred forty-three million, eight hundred thirty-two thousand, twenty-eight".