40424340244 has 12 divisors (see below), whose sum is σ = 70744002868. Its totient is φ = 20211768000.

The previous prime is 40424340233. The next prime is 40424340259. The reversal of 40424340244 is 44204342404.

It can be written as a sum of positive squares in 2 ways, for example, as 38479530244 + 1944810000 = 196162^2 + 44100^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 349024 + ... + 450184.

Almost surely, 2^40424340244 is an apocalyptic number.

It is an amenable number.

40424340244 is a deficient number, since it is larger than the sum of its proper divisors (30319662624).

40424340244 is a wasteful number, since it uses less digits than its factorization.

40424340244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201066 (or 201064 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 40424340244 its reverse (44204342404), we get a palindrome (84628682648).

The spelling of 40424340244 in words is "forty billion, four hundred twenty-four million, three hundred forty thousand, two hundred forty-four".