40000112 has 20 divisors (see below), whose sum is σ = 78815640. Its totient is φ = 19660608.

The previous prime is 40000061. The next prime is 40000123. The reversal of 40000112 is 21100004.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40000112.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20243 + ... + 22130.

It is an arithmetic number, because the mean of its divisors is an integer number (3940782).

Almost surely, 2^40000112 is an apocalyptic number.

It is an amenable number.

40000112 is a deficient number, since it is larger than the sum of its proper divisors (38815528).

40000112 is a wasteful number, since it uses less digits than its factorization.

40000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42440 (or 42434 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 40000112 is about 6324.5641747080. The cubic root of 40000112 is about 341.9955085306.

Adding to 40000112 its reverse (21100004), we get a palindrome (61100116).

The spelling of 40000112 in words is "forty million, one hundred twelve", and thus it is an aban number.