40447843810486 has 48 divisors (see below), whose sum is σ = 72580032277200. Its totient is φ = 16849508299008.

The previous prime is 40447843810477. The next prime is 40447843810499. The reversal of 40447843810486 is 68401834874404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38785831 + ... + 39815026.

It is an arithmetic number, because the mean of its divisors is an integer number (1512084005775).

Almost surely, 2^{40447843810486} is an apocalyptic number.

40447843810486 is a deficient number, since it is larger than the sum of its proper divisors (32132188466714).

40447843810486 is a wasteful number, since it uses less digits than its factorization.

40447843810486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78601021 (or 78601014 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 61.

The spelling of 40447843810486 in words is "forty trillion, four hundred forty-seven billion, eight hundred forty-three million, eight hundred ten thousand, four hundred eighty-six".