40044224155424 has 48 divisors (see below), whose sum is σ = 81381341986560. Its totient is φ = 19375964993280.

The previous prime is 40044224155421. The next prime is 40044224155471. The reversal of 40044224155424 is 42455142244004.

It is a super-2 number, since 2×40044224155424² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40044224155421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82430102 + ... + 82914474.

It is an arithmetic number, because the mean of its divisors is an integer number (1695444624720).

Almost surely, 2^{40044224155424} is an apocalyptic number.

It is an amenable number.

40044224155424 is an abundant number, since it is smaller than the sum of its proper divisors (41337117831136).

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

40044224155424 is a wasteful number, since it uses less digits than its factorization.

40044224155424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567753 (or 567745 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 41.

Adding to 40044224155424 its reverse (42455142244004), we get a palindrome (82499366399428).

The spelling of 40044224155424 in words is "forty trillion, forty-four billion, two hundred twenty-four million, one hundred fifty-five thousand, four hundred twenty-four".