40041123555 has 16 divisors (see below), whose sum is σ = 64099758240. Its totient is φ = 21343945728.

The previous prime is 40041123533. The next prime is 40041123559. The reversal of 40041123555 is 55532114004.

It is not a de Polignac number, because 40041123555 - 2⁵ = 40041123523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40041123559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678232 + ... + 734901.

It is an arithmetic number, because the mean of its divisors is an integer number (4006234890).

Almost surely, 2^40041123555 is an apocalyptic number.

40041123555 is a deficient number, since it is larger than the sum of its proper divisors (24058634685).

40041123555 is a wasteful number, since it uses less digits than its factorization.

40041123555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415030.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 40041123555 its reverse (55532114004), we get a palindrome (95573237559).

The spelling of 40041123555 in words is "forty billion, forty-one million, one hundred twenty-three thousand, five hundred fifty-five".