248542939808 has 24 divisors (see below), whose sum is σ = 489412252980. Its totient is φ = 124247764480.

The previous prime is 248542939747. The next prime is 248542939811. The reversal of 248542939808 is 808939245842.

It can be written as a sum of positive squares in 2 ways, for example, as 242981956624 + 5560983184 = 492932^2 + 74572^2 .

It is a super-2 number, since 2×248542939808² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569813 + ... + 906516.

Almost surely, 2^248542939808 is an apocalyptic number.

It is an amenable number.

248542939808 is a deficient number, since it is larger than the sum of its proper divisors (240869313172).

248542939808 is a wasteful number, since it uses less digits than its factorization.

248542939808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481600 (or 1481592 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 248542939808 in words is "two hundred forty-eight billion, five hundred forty-two million, nine hundred thirty-nine thousand, eight hundred eight".