40117224 has 64 divisors (see below), whose sum is σ = 118333440. Its totient is φ = 11090880.

The previous prime is 40117211. The next prime is 40117249. The reversal of 40117224 is 42271104.

It is a happy number.

It is a super-2 number, since 2×40117224² = 3218783322932352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40117224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357 + ... + 9059.

It is an arithmetic number, because the mean of its divisors is an integer number (1848960).

Almost surely, 2^40117224 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 40117224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59166720).

40117224 is an abundant number, since it is smaller than the sum of its proper divisors (78216216).

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

40117224 is a wasteful number, since it uses less digits than its factorization.

40117224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750 (or 7746 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40117224 is about 6333.8159114392. The cubic root of 40117224 is about 342.3289472110.

Adding to 40117224 its reverse (42271104), we get a palindrome (82388328).

The spelling of 40117224 in words is "forty million, one hundred seventeen thousand, two hundred twenty-four".