249545816224 has 24 divisors (see below), whose sum is σ = 491616004320. Its totient is φ = 124690958016.

The previous prime is 249545816183. The next prime is 249545816239. The reversal of 249545816224 is 422618545942.

It is a super-2 number, since 2×249545816224² (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, 2511444 + ... + 2608915.

It is an arithmetic number, because the mean of its divisors is an integer number (20484000180).

Almost surely, 2^249545816224 is an apocalyptic number.

It is an amenable number.

249545816224 is a deficient number, since it is larger than the sum of its proper divisors (242070188096).

249545816224 is a wasteful number, since it uses less digits than its factorization.

249545816224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121892 (or 5121884 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 249545816224 in words is "two hundred forty-nine billion, five hundred forty-five million, eight hundred sixteen thousand, two hundred twenty-four".