40144124444 has 12 divisors (see below), whose sum is σ = 70268742600. Its totient is φ = 20067340848.

The previous prime is 40144124417. The next prime is 40144124497. The reversal of 40144124444 is 44442144104.

It is a super-2 number, since 2×40144124444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40144124444.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1161179 + ... + 1195250.

It is an arithmetic number, because the mean of its divisors is an integer number (5855728550).

Almost surely, 2^40144124444 is an apocalyptic number.

It is an amenable number.

40144124444 is a deficient number, since it is larger than the sum of its proper divisors (30124618156).

40144124444 is a wasteful number, since it uses less digits than its factorization.

40144124444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360692 (or 2360690 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 40144124444 its reverse (44442144104), we get a palindrome (84586268548).

The spelling of 40144124444 in words is "forty billion, one hundred forty-four million, one hundred twenty-four thousand, four hundred forty-four".