40533224 has 8 divisors (see below), whose sum is σ = 75999810. Its totient is φ = 20266608.

The previous prime is 40533217. The next prime is 40533263. The reversal of 40533224 is 42233504.

It can be written as a sum of positive squares in only one way, i.e., 28408900 + 12124324 = 5330^2 + 3482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40533224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2533319 + ... + 2533334.

Almost surely, 2^40533224 is an apocalyptic number.

It is an amenable number.

40533224 is a deficient number, since it is larger than the sum of its proper divisors (35466586).

40533224 is a wasteful number, since it uses less digits than its factorization.

40533224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066659 (or 5066655 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40533224 is about 6366.5708195229. The cubic root of 40533224 is about 343.5081532375.

Adding to 40533224 its reverse (42233504), we get a palindrome (82766728).

The spelling of 40533224 in words is "forty million, five hundred thirty-three thousand, two hundred twenty-four".