40681214542663 has 8 divisors (see below), whose sum is σ = 43866778198320. Its totient is φ = 37600095597120.

The previous prime is 40681214542637. The next prime is 40681214542691. The reversal of 40681214542663 is 36624541218604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40681214542663 - 2³³ = 40672624608071 is a prime.

It is a super-2 number, since 2×40681214542663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40681214542663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40681214542613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26111176720 + ... + 26111178277.

It is an arithmetic number, because the mean of its divisors is an integer number (5483347274790).

Almost surely, 2^{40681214542663} is an apocalyptic number.

40681214542663 is a deficient number, since it is larger than the sum of its proper divisors (3185563655657).

40681214542663 is a wasteful number, since it uses less digits than its factorization.

40681214542663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52222355057.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 40681214542663 in words is "forty trillion, six hundred eighty-one billion, two hundred fourteen million, five hundred forty-two thousand, six hundred sixty-three".