9345440405 has 32 divisors (see below), whose sum is σ = 13063438080. Its totient is φ = 6285381120.

The previous prime is 9345440387. The next prime is 9345440437. The reversal of 9345440405 is 5040445439.

It is not a de Polignac number, because 9345440405 - 2¹⁰ = 9345439381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947057 + ... + 956873.

It is an arithmetic number, because the mean of its divisors is an integer number (408232440).

Almost surely, 2^9345440405 is an apocalyptic number.

It is an amenable number.

9345440405 is a deficient number, since it is larger than the sum of its proper divisors (3717997675).

9345440405 is a wasteful number, since it uses less digits than its factorization.

9345440405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 9345440405 is about 96671.8180495226. The cubic root of 9345440405 is about 2106.3631941678.

The spelling of 9345440405 in words is "nine billion, three hundred forty-five million, four hundred forty thousand, four hundred five".