40140112 has 20 divisors (see below), whose sum is σ = 78075360. Its totient is φ = 19991648.

The previous prime is 40140109. The next prime is 40140161. The reversal of 40140112 is 21104104.

It is a super-2 number, since 2×40140112² = 3222457182745088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40140092 and 40140101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 8977.

It is an arithmetic number, because the mean of its divisors is an integer number (3903768).

Almost surely, 2^40140112 is an apocalyptic number.

It is an amenable number.

40140112 is a deficient number, since it is larger than the sum of its proper divisors (37935248).

40140112 is a wasteful number, since it uses less digits than its factorization.

40140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810 (or 9804 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40140112 is about 6335.6224634995. The cubic root of 40140112 is about 342.3940375851.

Adding to 40140112 its reverse (21104104), we get a palindrome (61244216).

The spelling of 40140112 in words is "forty million, one hundred forty thousand, one hundred twelve".