40142263105515 has 16 divisors (see below), whose sum is σ = 64251347528448. Its totient is φ = 21401298136416.

The previous prime is 40142263105513. The next prime is 40142263105519. The reversal of 40142263105515 is 51550136224104.

40142263105515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40142263105515 - 2¹ = 40142263105513 is a prime.

It is a super-2 number, since 2×40142263105515² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40142263105513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 494261367 + ... + 494342576.

It is an arithmetic number, because the mean of its divisors is an integer number (4015709220528).

Almost surely, 2^{40142263105515} is an apocalyptic number.

40142263105515 is a deficient number, since it is larger than the sum of its proper divisors (24109084422933).

40142263105515 is a wasteful number, since it uses less digits than its factorization.

40142263105515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988606658.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 40142263105515 its reverse (51550136224104), we get a palindrome (91692399329619).

The spelling of 40142263105515 in words is "forty trillion, one hundred forty-two billion, two hundred sixty-three million, one hundred five thousand, five hundred fifteen".