40440402224 has 30 divisors (see below), whose sum is σ = 80962368300. Its totient is φ = 19567929120.

The previous prime is 40440402217. The next prime is 40440402227. The reversal of 40440402224 is 42220404404.

It is a super-2 number, since 2×40440402224² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40440402193 and 40440402202.

It is not an unprimeable number, because it can be changed into a prime (40440402227) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1299674 + ... + 1330425.

It is an arithmetic number, because the mean of its divisors is an integer number (2698745610).

Almost surely, 2^40440402224 is an apocalyptic number.

It is an amenable number.

40440402224 is an abundant number, since it is smaller than the sum of its proper divisors (40521966076).

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

40440402224 is a wasteful number, since it uses less digits than its factorization.

40440402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630169 (or 2630132 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40440402224 its reverse (42220404404), we get a palindrome (82660806628).

The spelling of 40440402224 in words is "forty billion, four hundred forty million, four hundred two thousand, two hundred twenty-four".