40315005 has 12 divisors (see below), whose sum is σ = 69879420. Its totient is φ = 21501312.

The previous prime is 40315001. The next prime is 40315019. The reversal of 40315005 is 50051304.

It can be written as a sum of positive squares in 2 ways, for example, as 19766916 + 20548089 = 4446^2 + 4533^2 .

It is not a de Polignac number, because 40315005 - 2² = 40315001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447900 + ... + 447989.

It is an arithmetic number, because the mean of its divisors is an integer number (5823285).

Almost surely, 2^40315005 is an apocalyptic number.

40315005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40315005 is a deficient number, since it is larger than the sum of its proper divisors (29564415).

40315005 is a wasteful number, since it uses less digits than its factorization.

40315005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895900 (or 895897 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 40315005 is about 6349.4098150931. The cubic root of 40315005 is about 342.8905945784.

Adding to 40315005 its reverse (50051304), we get a palindrome (90366309).

The spelling of 40315005 in words is "forty million, three hundred fifteen thousand, five".