248453944440 has 64 divisors (see below), whose sum is σ = 802697364000. Its totient is φ = 61157893632.

The previous prime is 248453944357. The next prime is 248453944447. The reversal of 248453944440 is 44449354842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248453944447) 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 15 ways as a sum of consecutive naturals, for example, 79631115 + ... + 79634234.

Almost surely, 2^248453944440 is an apocalyptic number.

248453944440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248453944440 is an abundant number, since it is smaller than the sum of its proper divisors (554243419560).

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

248453944440 is a wasteful number, since it uses less digits than its factorization.

248453944440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159265376 (or 159265372 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 51.

The spelling of 248453944440 in words is "two hundred forty-eight billion, four hundred fifty-three million, nine hundred forty-four thousand, four hundred forty".