40011224 has 16 divisors (see below), whose sum is σ = 81841320. Its totient is φ = 18186880.

The previous prime is 40011211. The next prime is 40011233. The reversal of 40011224 is 42211004.

It is a junction number, because it is equal to n+sod(n) for n = 40011199 and 40011208.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 227249 + ... + 227424.

Almost surely, 2^40011224 is an apocalyptic number.

40011224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40011224 is an abundant number, since it is smaller than the sum of its proper divisors (41830096).

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

40011224 is a wasteful number, since it uses less digits than its factorization.

40011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454690 (or 454686 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40011224 is about 6325.4425932104. The cubic root of 40011224 is about 342.0271742939.

Adding to 40011224 its reverse (42211004), we get a palindrome (82222228).

It can be divided in two parts, 4001 and 1224, that added together give a palindrome (5225).

The spelling of 40011224 in words is "forty million, eleven thousand, two hundred twenty-four".