40432012 has 6 divisors (see below), whose sum is σ = 70756028. Its totient is φ = 20216004.

The previous prime is 40431977. The next prime is 40432013. The reversal of 40432012 is 21023404.

It is not an unprimeable number, because it can be changed into a prime (40432013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053998 + ... + 5054005.

Almost surely, 2^40432012 is an apocalyptic number.

It is an amenable number.

40432012 is a deficient number, since it is larger than the sum of its proper divisors (30324016).

40432012 is a wasteful number, since it uses less digits than its factorization.

40432012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108007 (or 10108005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40432012 is about 6358.6171452604. The cubic root of 40432012 is about 343.2220001183. Note that the first 3 decimals are identical.

Adding to 40432012 its reverse (21023404), we get a palindrome (61455416).

The spelling of 40432012 in words is "forty million, four hundred thirty-two thousand, twelve".