40243349144 has 32 divisors (see below), whose sum is σ = 80123904000. Its totient is φ = 18883760640.

The previous prime is 40243349087. The next prime is 40243349177. The reversal of 40243349144 is 44194334204.

It is a junction number, because it is equal to n+sod(n) for n = 40243349098 and 40243349107.

It is a congruent number.

It is an unprimeable number.

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, 376472 + ... + 471399.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872000).

Almost surely, 2^40243349144 is an apocalyptic number.

It is an amenable number.

40243349144 is a deficient number, since it is larger than the sum of its proper divisors (39880554856).

40243349144 is a wasteful number, since it uses less digits than its factorization.

40243349144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848243 (or 848239 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 40243349144 in words is "forty billion, two hundred forty-three million, three hundred forty-nine thousand, one hundred forty-four".