40115242042255 has 16 divisors (see below), whose sum is σ = 48212095662720. Its totient is φ = 32043008132352.

The previous prime is 40115242042247. The next prime is 40115242042259. The reversal of 40115242042255 is 55224024251104.

It is a cyclic number.

It is not a de Polignac number, because 40115242042255 - 2³ = 40115242042247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115242042259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16778682 + ... + 19019848.

It is an arithmetic number, because the mean of its divisors is an integer number (3013255978920).

Almost surely, 2^{40115242042255} is an apocalyptic number.

40115242042255 is a deficient number, since it is larger than the sum of its proper divisors (8096853620465).

40115242042255 is a wasteful number, since it uses less digits than its factorization.

40115242042255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246658.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 40115242042255 its reverse (55224024251104), we get a palindrome (95339266293359).

The spelling of 40115242042255 in words is "forty trillion, one hundred fifteen billion, two hundred forty-two million, forty-two thousand, two hundred fifty-five".