248452718640 has 80 divisors (see below), whose sum is σ = 880232494848. Its totient is φ = 56789192448.

The previous prime is 248452718629. The next prime is 248452718671. The reversal of 248452718640 is 46817254842.

248452718640 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 (80).

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 15 ways as a sum of consecutive naturals, for example, 73942582 + ... + 73945941.

Almost surely, 2^248452718640 is an apocalyptic number.

248452718640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248452718640 is an abundant number, since it is smaller than the sum of its proper divisors (631779776208).

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

248452718640 is a wasteful number, since it uses less digits than its factorization.

248452718640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147888546 (or 147888540 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 248452718640 in words is "two hundred forty-eight billion, four hundred fifty-two million, seven hundred eighteen thousand, six hundred forty".