40112312 has 8 divisors (see below), whose sum is σ = 75210600. Its totient is φ = 20056152.

The previous prime is 40112279. The next prime is 40112339. The reversal of 40112312 is 21321104.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507012 + ... + 2507027.

It is an arithmetic number, because the mean of its divisors is an integer number (9401325).

Almost surely, 2^40112312 is an apocalyptic number.

It is an amenable number.

40112312 is a deficient number, since it is larger than the sum of its proper divisors (35098288).

40112312 is a wasteful number, since it uses less digits than its factorization.

40112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014045 (or 5014041 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40112312 is about 6333.4281396413. The cubic root of 40112312 is about 342.3149749214.

Adding to 40112312 its reverse (21321104), we get a palindrome (61433416).

The spelling of 40112312 in words is "forty million, one hundred twelve thousand, three hundred twelve".