40240123230344 has 32 divisors (see below), whose sum is σ = 75820951279200. Its totient is φ = 20021235937920.

The previous prime is 40240123230343. The next prime is 40240123230361. The reversal of 40240123230344 is 44303232104204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240123230344.

It is not an unprimeable number, because it can be changed into a prime (40240123230343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7692404 + ... + 11817500.

It is an arithmetic number, because the mean of its divisors is an integer number (2369404727475).

Almost surely, 2^{40240123230344} is an apocalyptic number.

It is an amenable number.

40240123230344 is a deficient number, since it is larger than the sum of its proper divisors (35580828048856).

40240123230344 is a wasteful number, since it uses less digits than its factorization.

40240123230344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131093 (or 4131089 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40240123230344 its reverse (44303232104204), we get a palindrome (84543355334548).

The spelling of 40240123230344 in words is "forty trillion, two hundred forty billion, one hundred twenty-three million, two hundred thirty thousand, three hundred forty-four".