248740864668 has 36 divisors (see below), whose sum is σ = 628860046360. Its totient is φ = 82900643616.

The previous prime is 248740864657. The next prime is 248740864693. The reversal of 248740864668 is 866468047842.

248740864668 is a `hidden beast` number, since 24 + 8 + 74 + 0 + 86 + 466 + 8 = 666.

248740864668 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 (36).

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 11 ways as a sum of consecutive naturals, for example, 306163 + ... + 768906.

Almost surely, 2^248740864668 is an apocalyptic number.

It is an amenable number.

248740864668 is an abundant number, since it is smaller than the sum of its proper divisors (380119181692).

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

248740864668 is a wasteful number, since it uses less digits than its factorization.

248740864668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081506 (or 1081501 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 63.

The spelling of 248740864668 in words is "two hundred forty-eight billion, seven hundred forty million, eight hundred sixty-four thousand, six hundred sixty-eight".