40454424244 has 24 divisors (see below), whose sum is σ = 76726657448. Its totient is φ = 18552343680.

The previous prime is 40454424223. The next prime is 40454424287. The reversal of 40454424244 is 44242445404.

It can be written as a sum of positive squares in 4 ways, for example, as 2030583844 + 38423840400 = 45062^2 + 196020^2 .

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 7 ways as a sum of consecutive naturals, for example, 2469447 + ... + 2485774.

Almost surely, 2^40454424244 is an apocalyptic number.

It is an amenable number.

40454424244 is a deficient number, since it is larger than the sum of its proper divisors (36272233204).

40454424244 is a wasteful number, since it uses less digits than its factorization.

40454424244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955395 (or 4955393 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 40454424244 its reverse (44242445404), we get a palindrome (84696869648).

The spelling of 40454424244 in words is "forty billion, four hundred fifty-four million, four hundred twenty-four thousand, two hundred forty-four".