40450423344 has 20 divisors (see below), whose sum is σ = 104496927096. Its totient is φ = 13483474432.

The previous prime is 40450423319. The next prime is 40450423361. The reversal of 40450423344 is 44332405404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421358529 + ... + 421358624.

Almost surely, 2^40450423344 is an apocalyptic number.

It is an amenable number.

40450423344 is an abundant number, since it is smaller than the sum of its proper divisors (64046503752).

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

40450423344 is a wasteful number, since it uses less digits than its factorization.

40450423344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842717164 (or 842717158 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 40450423344 its reverse (44332405404), we get a palindrome (84782828748).

The spelling of 40450423344 in words is "forty billion, four hundred fifty million, four hundred twenty-three thousand, three hundred forty-four".