40017352430561 has 16 divisors (see below), whose sum is σ = 44063568212928. Its totient is φ = 36040746700800.

The previous prime is 40017352430537. The next prime is 40017352430609. The reversal of 40017352430561 is 16503425371004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40017352430561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40014352430561) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 38595071 + ... + 39618356.

It is an arithmetic number, because the mean of its divisors is an integer number (2753973013308).

Almost surely, 2^{40017352430561} is an apocalyptic number.

It is an amenable number.

40017352430561 is a deficient number, since it is larger than the sum of its proper divisors (4046215782367).

40017352430561 is a wasteful number, since it uses less digits than its factorization.

40017352430561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78213872.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 40017352430561 in words is "forty trillion, seventeen billion, three hundred fifty-two million, four hundred thirty thousand, five hundred sixty-one".