40240144145545 has 8 divisors (see below), whose sum is σ = 48347714499840. Its totient is φ = 32152420966320.

The previous prime is 40240144145503. The next prime is 40240144145587. The reversal of 40240144145545 is 54554144104204.

40240144145545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40240144145503) and next prime (40240144145587).

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

It is not a de Polignac number, because 40240144145545 - 2¹¹ = 40240144143497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4961789305 + ... + 4961797414.

It is an arithmetic number, because the mean of its divisors is an integer number (6043464312480).

Almost surely, 2^{40240144145545} is an apocalyptic number.

It is an amenable number.

40240144145545 is a deficient number, since it is larger than the sum of its proper divisors (8107570354295).

40240144145545 is an equidigital number, since it uses as much as digits as its factorization.

40240144145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923587535.

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 40240144145545 its reverse (54554144104204), we get a palindrome (94794288249749).

The spelling of 40240144145545 in words is "forty trillion, two hundred forty billion, one hundred forty-four million, one hundred forty-five thousand, five hundred forty-five".