268519365433426 has 16 divisors (see below), whose sum is σ = 402948808827840. Its totient is φ = 134203099339440.

The previous prime is 268519365433421. The next prime is 268519365433427. The reversal of 268519365433426 is 624334563915862.

It is a super-2 number, since 2×268519365433426² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268519365433421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154811155 + ... + 156536041.

It is an arithmetic number, because the mean of its divisors is an integer number (25184300551740).

Almost surely, 2^{268519365433426} is an apocalyptic number.

268519365433426 is a deficient number, since it is larger than the sum of its proper divisors (134429443394414).

268519365433426 is a wasteful number, since it uses less digits than its factorization.

268519365433426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757649.

The product of its digits is 671846400, while the sum is 67.

The spelling of 268519365433426 in words is "two hundred sixty-eight trillion, five hundred nineteen billion, three hundred sixty-five million, four hundred thirty-three thousand, four hundred twenty-six".