40605232 has 20 divisors (see below), whose sum is σ = 79454736. Its totient is φ = 20100800.

The previous prime is 40605217. The next prime is 40605239. The reversal of 40605232 is 23250604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40605239) 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, 10948 + ... + 14179.

Almost surely, 2^40605232 is an apocalyptic number.

It is an amenable number.

40605232 is a deficient number, since it is larger than the sum of its proper divisors (38849504).

40605232 is a wasteful number, since it uses less digits than its factorization.

40605232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25236 (or 25230 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40605232 is about 6372.2234737963. The cubic root of 40605232 is about 343.7114490321.

Adding to 40605232 its reverse (23250604), we get a palindrome (63855836).

The spelling of 40605232 in words is "forty million, six hundred five thousand, two hundred thirty-two".