40450311305 has 8 divisors (see below), whose sum is σ = 48544494912. Its totient is φ = 32357501488.

The previous prime is 40450311289. The next prime is 40450311329. The reversal of 40450311305 is 50311305404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40450311305 - 2⁴ = 40450311289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277517 + ... + 397386.

It is an arithmetic number, because the mean of its divisors is an integer number (6068061864).

Almost surely, 2^40450311305 is an apocalyptic number.

It is an amenable number.

40450311305 is a deficient number, since it is larger than the sum of its proper divisors (8094183607).

40450311305 is a wasteful number, since it uses less digits than its factorization.

40450311305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686895.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40450311305 its reverse (50311305404), we get a palindrome (90761616709).

The spelling of 40450311305 in words is "forty billion, four hundred fifty million, three hundred eleven thousand, three hundred five".