40243124 has 18 divisors (see below), whose sum is σ = 72390150. Its totient is φ = 19575072.

The previous prime is 40243117. The next prime is 40243163. The reversal of 40243124 is 42134204.

40243124 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 3 ways, for example, as 26419600 + 13823524 = 5140^2 + 3718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40243096 and 40243105.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1802 + ... + 9150.

It is an arithmetic number, because the mean of its divisors is an integer number (4021675).

Almost surely, 2^40243124 is an apocalyptic number.

It is an amenable number.

40243124 is a deficient number, since it is larger than the sum of its proper divisors (32147026).

40243124 is a wasteful number, since it uses less digits than its factorization.

40243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40243124 is about 6343.7468423637. The cubic root of 40243124 is about 342.6866838843.

Adding to 40243124 its reverse (42134204), we get a palindrome (82377328).

The spelling of 40243124 in words is "forty million, two hundred forty-three thousand, one hundred twenty-four".