40512112 has 10 divisors (see below), whose sum is σ = 78492248. Its totient is φ = 20256048.

The previous prime is 40512091. The next prime is 40512119. The reversal of 40512112 is 21121504.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 2532007 = 40512112 / (4 + 0 + 5 + 1 + 2 + 1 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265988 + ... + 1266019.

Almost surely, 2^40512112 is an apocalyptic number.

It is an amenable number.

40512112 is a deficient number, since it is larger than the sum of its proper divisors (37980136).

40512112 is a wasteful number, since it uses less digits than its factorization.

40512112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532015 (or 2532009 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40512112 is about 6364.9125681348. The cubic root of 40512112 is about 343.4485033759.

Adding to 40512112 its reverse (21121504), we get a palindrome (61633616).

The spelling of 40512112 in words is "forty million, five hundred twelve thousand, one hundred twelve".