40135102042 has 16 divisors (see below), whose sum is σ = 68907453120. Its totient is φ = 17174652768.

The previous prime is 40135102031. The next prime is 40135102057. The reversal of 40135102042 is 24020153104.

It is a super-2 number, since 2×40135102042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2165883 + ... + 2184334.

It is an arithmetic number, because the mean of its divisors is an integer number (4306715820).

Almost surely, 2^40135102042 is an apocalyptic number.

40135102042 is a deficient number, since it is larger than the sum of its proper divisors (28772351078).

40135102042 is a wasteful number, since it uses less digits than its factorization.

40135102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350885.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40135102042 its reverse (24020153104), we get a palindrome (64155255146).

The spelling of 40135102042 in words is "forty billion, one hundred thirty-five million, one hundred two thousand, forty-two".