268454378558488 has 16 divisors (see below), whose sum is σ = 516956066819280. Its totient is φ = 130599427406688.

The previous prime is 268454378558461. The next prime is 268454378558507. The reversal of 268454378558488 is 884855873454862.

268454378558488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×268454378558488² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453470233756 + ... + 453470234347.

It is an arithmetic number, because the mean of its divisors is an integer number (32309754176205).

Almost surely, 2^{268454378558488} is an apocalyptic number.

It is an amenable number.

268454378558488 is a deficient number, since it is larger than the sum of its proper divisors (248501688260792).

268454378558488 is a wasteful number, since it uses less digits than its factorization.

268454378558488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906940468146 (or 906940468142 counting only the distinct ones).

The product of its digits is 66060288000, while the sum is 85.

The spelling of 268454378558488 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 eighty-eight".