40344455505 has 64 divisors (see below), whose sum is σ = 72058256640. Its totient is φ = 19155419136.

The previous prime is 40344455483. The next prime is 40344455507. The reversal of 40344455505 is 50555444304.

It is not a de Polignac number, because 40344455505 - 2¹³ = 40344447313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40344455507) 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 63 ways as a sum of consecutive naturals, for example, 3254499 + ... + 3266871.

It is an arithmetic number, because the mean of its divisors is an integer number (1125910260).

Almost surely, 2^40344455505 is an apocalyptic number.

It is an amenable number.

40344455505 is a deficient number, since it is larger than the sum of its proper divisors (31713801135).

40344455505 is a wasteful number, since it uses less digits than its factorization.

40344455505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090.

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 40344455505 its reverse (50555444304), we get a palindrome (90899899809).

The spelling of 40344455505 in words is "forty billion, three hundred forty-four million, four hundred fifty-five thousand, five hundred five".