268454378558460 has 96 divisors (see below), whose sum is σ = 758721743942400. Its totient is φ = 70916498085888.

The previous prime is 268454378558357. The next prime is 268454378558461. The reversal of 268454378558460 is 64855873454862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268454378558461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202848012 + ... + 204167148.

It is an arithmetic number, because the mean of its divisors is an integer number (7903351499400).

Almost surely, 2^{268454378558460} is an apocalyptic number.

268454378558460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268454378558460 is an abundant number, since it is smaller than the sum of its proper divisors (490267365383940).

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

268454378558460 is a wasteful number, since it uses less digits than its factorization.

268454378558460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350955 (or 1350953 counting only the distinct ones).

The product of its (nonzero) digits is 6193152000, while the sum is 75.

The spelling of 268454378558460 in words is "two hundred sixty-eight trillion, four hundred fifty-four billion, three hundred seventy-eight million, five hundred fifty-eight thousand, four hundred sixty".