40175249 has 4 divisors (see below), whose sum is σ = 40320564. Its totient is φ = 40029936.

The previous prime is 40175243. The next prime is 40175251. The reversal of 40175249 is 94257104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19536400 + 20638849 = 4420^2 + 4543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40175249 is a prime.

It is a super-2 number, since 2×40175249² = 3228101264424002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40175243) 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, 72242 + ... + 72795.

It is an arithmetic number, because the mean of its divisors is an integer number (10080141).

Almost surely, 2^40175249 is an apocalyptic number.

It is an amenable number.

40175249 is a deficient number, since it is larger than the sum of its proper divisors (145315).

40175249 is a wasteful number, since it uses less digits than its factorization.

40175249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145314.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 40175249 is about 6338.3948283457. The cubic root of 40175249 is about 342.4939143252.

The spelling of 40175249 in words is "forty million, one hundred seventy-five thousand, two hundred forty-nine".