40444024424 has 16 divisors (see below), whose sum is σ = 76270886820. Its totient is φ = 20105121280.

The previous prime is 40444024339. The next prime is 40444024427. The reversal of 40444024424 is 42442044404.

40444024424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31773062500 + 8670961924 = 178250^2 + 93118^2 .

It is a super-2 number, since 2×40444024424² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40444024427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14609897 + ... + 14612664.

Almost surely, 2^40444024424 is an apocalyptic number.

It is an amenable number.

40444024424 is a deficient number, since it is larger than the sum of its proper divisors (35826862396).

40444024424 is a wasteful number, since it uses less digits than its factorization.

40444024424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222740 (or 29222736 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40444024424 its reverse (42442044404), we get a palindrome (82886068828).

The spelling of 40444024424 in words is "forty billion, four hundred forty-four million, twenty-four thousand, four hundred twenty-four".