40170248 has 16 divisors (see below), whose sum is σ = 75712380. Its totient is φ = 19980288.

The previous prime is 40170241. The next prime is 40170287. The reversal of 40170248 is 84207104.

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 4 = 6338^2 + 2^2 .

It is a super-2 number, since 2×40170248² = 3227297648763008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40170241) by changing a digit.

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, 11465 + ... + 14552.

Almost surely, 2^40170248 is an apocalyptic number.

It is an amenable number.

40170248 is a deficient number, since it is larger than the sum of its proper divisors (35542132).

40170248 is a wasteful number, since it uses less digits than its factorization.

40170248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26216 (or 26212 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40170248 is about 6338.0003155570. Note that the first 3 decimals coincide. The cubic root of 40170248 is about 342.4797025640.

The spelling of 40170248 in words is "forty million, one hundred seventy thousand, two hundred forty-eight".