400140044113342 has 96 divisors (see below), whose sum is σ = 698336636604480. Its totient is φ = 171250175416320.

The previous prime is 400140044113321. The next prime is 400140044113343. The reversal of 400140044113342 is 243311440041004.

It is a super-2 number, since 2×400140044113342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400140044113343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 592437084 + ... + 593112112.

It is an arithmetic number, because the mean of its divisors is an integer number (7274339964630).

Almost surely, 2^{400140044113342} is an apocalyptic number.

400140044113342 is a deficient number, since it is larger than the sum of its proper divisors (298196592491138).

400140044113342 is a wasteful number, since it uses less digits than its factorization.

400140044113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676598 (or 676585 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 400140044113342 its reverse (243311440041004), we get a palindrome (643451484154346).

The spelling of 400140044113342 in words is "four hundred trillion, one hundred forty billion, forty-four million, one hundred thirteen thousand, three hundred forty-two".