248443780445 has 16 divisors (see below), whose sum is σ = 341509808640. Its totient is φ = 169967994624.

The previous prime is 248443780433. The next prime is 248443780451. The reversal of 248443780445 is 544087344842.

It is a cyclic number.

It is not a de Polignac number, because 248443780445 - 2¹² = 248443776349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8181605 + ... + 8211914.

It is an arithmetic number, because the mean of its divisors is an integer number (21344363040).

Almost surely, 2^248443780445 is an apocalyptic number.

It is an amenable number.

248443780445 is a deficient number, since it is larger than the sum of its proper divisors (93066028195).

248443780445 is a wasteful number, since it uses less digits than its factorization.

248443780445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16393964.

The product of its (nonzero) digits is 13762560, while the sum is 53.

The spelling of 248443780445 in words is "two hundred forty-eight billion, four hundred forty-three million, seven hundred eighty thousand, four hundred forty-five".