40111100 has 36 divisors (see below), whose sum is σ = 87499608. Its totient is φ = 15960000.

The previous prime is 40111087. The next prime is 40111129. The reversal of 40111100 is 111104.

40111100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20150 + ... + 22050.

Almost surely, 2^40111100 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 40111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43749804).

40111100 is an abundant number, since it is smaller than the sum of its proper divisors (47388508).

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

40111100 is a wasteful number, since it uses less digits than its factorization.

40111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 40111100 is about 6333.3324561403. The cubic root of 40111100 is about 342.3115271859.

Adding to 40111100 its reverse (111104), we get a palindrome (40222204).

The spelling of 40111100 in words is "forty million, one hundred eleven thousand, one hundred".