40316445 has 24 divisors (see below), whose sum is σ = 75258456. Its totient is φ = 19847808.

The previous prime is 40316417. The next prime is 40316449. The reversal of 40316445 is 54461304.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 40220964 = 309^2 + 6342^2 .

It is not a de Polignac number, because 40316445 - 2⁸ = 40316189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40316449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33874 + ... + 35043.

It is an arithmetic number, because the mean of its divisors is an integer number (3135769).

Almost surely, 2^40316445 is an apocalyptic number.

40316445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40316445 is a deficient number, since it is larger than the sum of its proper divisors (34942011).

40316445 is a wasteful number, since it uses less digits than its factorization.

40316445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68941 (or 68938 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40316445 is about 6349.5232104466. The cubic root of 40316445 is about 342.8946770664.

Adding to 40316445 its reverse (54461304), we get a palindrome (94777749).

The spelling of 40316445 in words is "forty million, three hundred sixteen thousand, four hundred forty-five".