40840112 has 10 divisors (see below), whose sum is σ = 79127748. Its totient is φ = 20420048.

The previous prime is 40840109. The next prime is 40840117. The reversal of 40840112 is 21104804.

It is not an unprimeable number, because it can be changed into a prime (40840117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276238 + ... + 1276269.

Almost surely, 2^40840112 is an apocalyptic number.

It is an amenable number.

40840112 is a deficient number, since it is larger than the sum of its proper divisors (38287636).

40840112 is a wasteful number, since it uses less digits than its factorization.

40840112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552515 (or 2552509 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 40840112 is about 6390.6268863078. The cubic root of 40840112 is about 344.3729055113.

Adding to 40840112 its reverse (21104804), we get a palindrome (61944916).

The spelling of 40840112 in words is "forty million, eight hundred forty thousand, one hundred twelve".