268506871480 has 16 divisors (see below), whose sum is σ = 604140460920. Its totient is φ = 107402748576.

The previous prime is 268506871453. The next prime is 268506871481. The reversal of 268506871480 is 84178605862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268506871481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3356335854 + ... + 3356335933.

Almost surely, 2^268506871480 is an apocalyptic number.

268506871480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268506871480 is an abundant number, since it is smaller than the sum of its proper divisors (335633589440).

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

268506871480 is a wasteful number, since it uses less digits than its factorization.

268506871480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712671798 (or 6712671794 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 268506871480 in words is "two hundred sixty-eight billion, five hundred six million, eight hundred seventy-one thousand, four hundred eighty".