248042818 has 8 divisors (see below), whose sum is σ = 393950412. Its totient is φ = 116726016.

The previous prime is 248042813. The next prime is 248042819. The reversal of 248042818 is 818240842.

It can be written as a sum of positive squares in 2 ways, for example, as 208138329 + 39904489 = 14427^2 + 6317^2 .

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

It is a super-2 number, since 2×248042818² = 123050479122762248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248042813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3647655 + ... + 3647722.

Almost surely, 2^248042818 is an apocalyptic number.

248042818 is a deficient number, since it is larger than the sum of its proper divisors (145907594).

248042818 is a wasteful number, since it uses less digits than its factorization.

248042818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295396.

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 248042818 is about 15749.3751622088. The cubic root of 248042818 is about 628.3122863644.

The spelling of 248042818 in words is "two hundred forty-eight million, forty-two thousand, eight hundred eighteen".