40038224 has 10 divisors (see below), whose sum is σ = 77574090. Its totient is φ = 20019104.

The previous prime is 40038221. The next prime is 40038233. The reversal of 40038224 is 42283004.

40038224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32855824 + 7182400 = 5732^2 + 2680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40038224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40038221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251179 + ... + 1251210.

It is an arithmetic number, because the mean of its divisors is an integer number (7757409).

Almost surely, 2^40038224 is an apocalyptic number.

It is an amenable number.

40038224 is a deficient number, since it is larger than the sum of its proper divisors (37535866).

40038224 is a wasteful number, since it uses less digits than its factorization.

40038224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502397 (or 2502391 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40038224 is about 6327.5764712882. The cubic root of 40038224 is about 342.1040915214.

The spelling of 40038224 in words is "forty million, thirty-eight thousand, two hundred twenty-four".