40118112 has 96 divisors (see below), whose sum is σ = 119145600. Its totient is φ = 13129344.

The previous prime is 40118081. The next prime is 40118159. The reversal of 40118112 is 21181104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50583 + ... + 51369.

It is an arithmetic number, because the mean of its divisors is an integer number (1241100).

Almost surely, 2^40118112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40118112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59572800).

40118112 is an abundant number, since it is smaller than the sum of its proper divisors (79027488).

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

40118112 is a wasteful number, since it uses less digits than its factorization.

40118112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 40118112 is about 6333.8860109730. The cubic root of 40118112 is about 342.3314730244.

Adding to 40118112 its reverse (21181104), we get a palindrome (61299216).

The spelling of 40118112 in words is "forty million, one hundred eighteen thousand, one hundred twelve".