249973498848 has 48 divisors (see below), whose sum is σ = 665974189440. Its totient is φ = 82080848256.

The previous prime is 249973498811. The next prime is 249973498889. The reversal of 249973498848 is 848894379942.

249973498848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×249973498848² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249973498848.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19425588 + ... + 19438451.

It is an arithmetic number, because the mean of its divisors is an integer number (13874462280).

Almost surely, 2^249973498848 is an apocalyptic number.

It is an amenable number.

249973498848 is an abundant number, since it is smaller than the sum of its proper divisors (416000690592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249973498848 is a wasteful number, since it uses less digits than its factorization.

249973498848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38864119 (or 38864111 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 75.

The spelling of 249973498848 in words is "two hundred forty-nine billion, nine hundred seventy-three million, four hundred ninety-eight thousand, eight hundred forty-eight".