40124249 has 8 divisors (see below), whose sum is σ = 43817760. Its totient is φ = 36438400.

The previous prime is 40124237. The next prime is 40124263. The reversal of 40124249 is 94242104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40124249 - 2¹⁶ = 40058713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40124269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19814 + ... + 21744.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^40124249 is an apocalyptic number.

It is an amenable number.

40124249 is a deficient number, since it is larger than the sum of its proper divisors (3693511).

40124249 is a wasteful number, since it uses less digits than its factorization.

40124249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40124249 is about 6334.3704501710. The cubic root of 40124249 is about 342.3489279928.

The spelling of 40124249 in words is "forty million, one hundred twenty-four thousand, two hundred forty-nine".