40111344 has 120 divisors (see below), whose sum is σ = 138206432. Its totient is φ = 10575360.

The previous prime is 40111339. The next prime is 40111361. The reversal of 40111344 is 44311104.

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 23 ways as a sum of consecutive naturals, for example, 11574 + ... + 14634.

Almost surely, 2^40111344 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 40111344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69103216).

40111344 is an abundant number, since it is smaller than the sum of its proper divisors (98095088).

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

40111344 is a wasteful number, since it uses less digits than its factorization.

40111344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40111344 is about 6333.3517192716. The cubic root of 40111344 is about 342.3122212900.

Adding to 40111344 its reverse (44311104), we get a palindrome (84422448).

The spelling of 40111344 in words is "forty million, one hundred eleven thousand, three hundred forty-four".