40440242424244 has 48 divisors (see below), whose sum is σ = 76972584845520. Its totient is φ = 18479043302400.

The previous prime is 40440242424163. The next prime is 40440242424269. The reversal of 40440242424244 is 44242424204404.

It can be written as a sum of positive squares in 8 ways, for example, as 1748583075600 + 38691659348644 = 1322340^2 + 6220262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40440242424197 and 40440242424206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116573512 + ... + 116919904.

It is an arithmetic number, because the mean of its divisors is an integer number (1603595517615).

Almost surely, 2^{40440242424244} is an apocalyptic number.

It is an amenable number.

40440242424244 is a deficient number, since it is larger than the sum of its proper divisors (36532342421276).

40440242424244 is a wasteful number, since it uses less digits than its factorization.

40440242424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368740 (or 368738 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 40440242424244 its reverse (44242424204404), we get a palindrome (84682666628648).

The spelling of 40440242424244 in words is "forty trillion, four hundred forty billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred forty-four".