40336224 has 48 divisors (see below), whose sum is σ = 107094960. Its totient is φ = 13291520.

The previous prime is 40336217. The next prime is 40336229. The reversal of 40336224 is 42263304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 40336194 and 40336203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40336229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6184 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (2231145).

Almost surely, 2^40336224 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 40336224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53547480).

40336224 is an abundant number, since it is smaller than the sum of its proper divisors (66758736).

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

40336224 is a wasteful number, since it uses less digits than its factorization.

40336224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823 (or 4815 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40336224 is about 6351.0805379872. The cubic root of 40336224 is about 342.9507419057.

Adding to 40336224 its reverse (42263304), we get a palindrome (82599528).

The spelling of 40336224 in words is "forty million, three hundred thirty-six thousand, two hundred twenty-four".