40112244 has 72 divisors (see below), whose sum is σ = 104901888. Its totient is φ = 12916800.

The previous prime is 40112243. The next prime is 40112257. The reversal of 40112244 is 44221104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255414 + ... + 255570.

Almost surely, 2^40112244 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 40112244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52450944).

40112244 is an abundant number, since it is smaller than the sum of its proper divisors (64789644).

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

40112244 is a wasteful number, since it uses less digits than its factorization.

40112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40112244 is about 6333.4227712983. The cubic root of 40112244 is about 342.3147814859.

Adding to 40112244 its reverse (44221104), we get a palindrome (84333348).

The spelling of 40112244 in words is "forty million, one hundred twelve thousand, two hundred forty-four".