40724298668 has 12 divisors (see below), whose sum is σ = 71286467952. Its totient is φ = 20356736400.

The previous prime is 40724298631. The next prime is 40724298689. The reversal of 40724298668 is 86689242704.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1336283 + ... + 1366418.

It is an arithmetic number, because the mean of its divisors is an integer number (5940538996).

Almost surely, 2^40724298668 is an apocalyptic number.

It is an amenable number.

40724298668 is a deficient number, since it is larger than the sum of its proper divisors (30562169284).

40724298668 is a wasteful number, since it uses less digits than its factorization.

40724298668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706472 (or 2706470 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 40724298668 in words is "forty billion, seven hundred twenty-four million, two hundred ninety-eight thousand, six hundred sixty-eight".