249444015052 has 24 divisors (see below), whose sum is σ = 462513618000. Its totient is φ = 117307061760.

The previous prime is 249444015019. The next prime is 249444015059. The reversal of 249444015052 is 250510444942.

It is a junction number, because it is equal to n+sod(n) for n = 249444014996 and 249444015014.

It is not an unprimeable number, because it can be changed into a prime (249444015059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1121649 + ... + 1325512.

It is an arithmetic number, because the mean of its divisors is an integer number (19271400750).

Almost surely, 2^249444015052 is an apocalyptic number.

It is an amenable number.

249444015052 is a deficient number, since it is larger than the sum of its proper divisors (213069602948).

249444015052 is a wasteful number, since it uses less digits than its factorization.

249444015052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448681 (or 2448679 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 249444015052 its reverse (250510444942), we get a palindrome (499954459994).

The spelling of 249444015052 in words is "two hundred forty-nine billion, four hundred forty-four million, fifteen thousand, fifty-two".