40315224 has 16 divisors (see below), whose sum is σ = 100788120. Its totient is φ = 13438400.

The previous prime is 40315189. The next prime is 40315229. The reversal of 40315224 is 42251304.

It is a self number, because there is not a number n which added to its sum of digits gives 40315224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315229) 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, 839877 + ... + 839924.

Almost surely, 2^40315224 is an apocalyptic number.

It is an amenable number.

40315224 is an abundant number, since it is smaller than the sum of its proper divisors (60472896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40315224 is a wasteful number, since it uses less digits than its factorization.

40315224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679810 (or 1679806 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40315224 is about 6349.4270607670. The cubic root of 40315224 is about 342.8912154630.

Adding to 40315224 its reverse (42251304), we get a palindrome (82566528).

The spelling of 40315224 in words is "forty million, three hundred fifteen thousand, two hundred twenty-four".