40007112 has 32 divisors (see below), whose sum is σ = 103246080. Its totient is φ = 12905280.

The previous prime is 40007087. The next prime is 40007113. The reversal of 40007112 is 21170004.

It is a junction number, because it is equal to n+sod(n) for n = 40007091 and 40007100.

It is not an unprimeable number, because it can be changed into a prime (40007113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26143 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (3226440).

Almost surely, 2^40007112 is an apocalyptic number.

It is an amenable number.

40007112 is an abundant number, since it is smaller than the sum of its proper divisors (63238968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40007112 is a wasteful number, since it uses less digits than its factorization.

40007112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53813 (or 53809 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 40007112 is about 6325.1175483148. The cubic root of 40007112 is about 342.0154570491.

Adding to 40007112 its reverse (21170004), we get a palindrome (61177116).

The spelling of 40007112 in words is "forty million, seven thousand, one hundred twelve".