40315132 has 24 divisors (see below), whose sum is σ = 82886832. Its totient is φ = 16915200.

The previous prime is 40315129. The next prime is 40315141. The reversal of 40315132 is 23151304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34669 + ... + 35812.

It is an arithmetic number, because the mean of its divisors is an integer number (3453618).

Almost surely, 2^40315132 is an apocalyptic number.

It is an amenable number.

40315132 is an abundant number, since it is smaller than the sum of its proper divisors (42571700).

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

40315132 is a wasteful number, since it uses less digits than its factorization.

40315132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70509 (or 70507 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40315132 is about 6349.4198160147. The cubic root of 40315132 is about 342.8909546350.

Adding to 40315132 its reverse (23151304), we get a palindrome (63466436).

The spelling of 40315132 in words is "forty million, three hundred fifteen thousand, one hundred thirty-two".