40121116065042 has 32 divisors (see below), whose sum is σ = 83781193691520. Its totient is φ = 12784575217920.

The previous prime is 40121116064941. The next prime is 40121116065059. The reversal of 40121116065042 is 24056061112104.

It is a junction number, because it is equal to n+sod(n) for n = 40121116064994 and 40121116065012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86867559 + ... + 87328202.

It is an arithmetic number, because the mean of its divisors is an integer number (2618162302860).

Almost surely, 2^{40121116065042} is an apocalyptic number.

40121116065042 is an abundant number, since it is smaller than the sum of its proper divisors (43660077626478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40121116065042 is a wasteful number, since it uses less digits than its factorization.

40121116065042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174197458.

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 40121116065042 its reverse (24056061112104), we get a palindrome (64177177177146).

The spelling of 40121116065042 in words is "forty trillion, one hundred twenty-one billion, one hundred sixteen million, sixty-five thousand, forty-two".