40108603688155 has 32 divisors (see below), whose sum is σ = 51735935093184. Its totient is φ = 29741728813056.

The previous prime is 40108603688143. The next prime is 40108603688161. The reversal of 40108603688155 is 55188630680104.

It is a cyclic number.

It is not a de Polignac number, because 40108603688155 - 2⁹ = 40108603687643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40108603688096 and 40108603688105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573157 + ... + 8974726.

It is an arithmetic number, because the mean of its divisors is an integer number (1616747971662).

Almost surely, 2^{40108603688155} is an apocalyptic number.

40108603688155 is a deficient number, since it is larger than the sum of its proper divisors (11627331405029).

40108603688155 is a wasteful number, since it uses less digits than its factorization.

40108603688155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548655.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 40108603688155 in words is "forty trillion, one hundred eight billion, six hundred three million, six hundred eighty-eight thousand, one hundred fifty-five".