40234340166656 has 22 divisors (see below), whose sum is σ = 80429388987540. Its totient is φ = 20117170082816.

The previous prime is 40234340166637. The next prime is 40234340166661. The reversal of 40234340166656 is 65666104343204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19645672886 + ... + 19645674933.

Almost surely, 2^{40234340166656} is an apocalyptic number.

It is an amenable number.

40234340166656 is a deficient number, since it is larger than the sum of its proper divisors (40195048820884).

40234340166656 is an equidigital number, since it uses as much as digits as its factorization.

40234340166656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39291347839 (or 39291347821 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 40234340166656 in words is "forty trillion, two hundred thirty-four billion, three hundred forty million, one hundred sixty-six thousand, six hundred fifty-six".