40543124 has 12 divisors (see below), whose sum is σ = 71319444. Its totient is φ = 20166144.

The previous prime is 40543123. The next prime is 40543127. The reversal of 40543124 is 42134504.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 26853124 = 3700^2 + 5182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40543124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25487 + ... + 27030.

It is an arithmetic number, because the mean of its divisors is an integer number (5943287).

Almost surely, 2^40543124 is an apocalyptic number.

It is an amenable number.

40543124 is a deficient number, since it is larger than the sum of its proper divisors (30776320).

40543124 is a wasteful number, since it uses less digits than its factorization.

40543124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52714 (or 52712 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40543124 is about 6367.3482706697. The cubic root of 40543124 is about 343.5361175718.

Adding to 40543124 its reverse (42134504), we get a palindrome (82677628).

The spelling of 40543124 in words is "forty million, five hundred forty-three thousand, one hundred twenty-four".