40322305 has 4 divisors (see below), whose sum is σ = 48386772. Its totient is φ = 32257840.

The previous prime is 40322299. The next prime is 40322309. The reversal of 40322305 is 50322304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19079424 + 21242881 = 4368^2 + 4609^2 .

It is not a de Polignac number, because 40322305 - 2³ = 40322297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40322309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032226 + ... + 4032235.

It is an arithmetic number, because the mean of its divisors is an integer number (12096693).

Almost surely, 2^40322305 is an apocalyptic number.

It is an amenable number.

40322305 is a deficient number, since it is larger than the sum of its proper divisors (8064467).

40322305 is an equidigital number, since it uses as much as digits as its factorization.

40322305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064466.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40322305 is about 6349.9846456507. The cubic root of 40322305 is about 342.9112895220.

Adding to 40322305 its reverse (50322304), we get a palindrome (90644609).

Subtracting 40322305 from its reverse (50322304), we obtain a palindrome (9999999).

The spelling of 40322305 in words is "forty million, three hundred twenty-two thousand, three hundred five".