40111140 has 48 divisors (see below), whose sum is σ = 113440320. Its totient is φ = 10588800.

The previous prime is 40111139. The next prime is 40111151. The reversal of 40111140 is 4111104.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 2751 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (2363340).

Almost surely, 2^40111140 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 40111140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56720160).

40111140 is an abundant number, since it is smaller than the sum of its proper divisors (73329180).

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

40111140 is a wasteful number, since it uses less digits than its factorization.

40111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732 (or 6730 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 40111140 is about 6333.3356140347. The cubic root of 40111140 is about 342.3116409736.

Adding to 40111140 its reverse (4111104), we get a palindrome (44222244).

It can be divided in two parts, 4011 and 1140, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 40111140 in words is "forty million, one hundred eleven thousand, one hundred forty".