268021337398 has 16 divisors (see below), whose sum is σ = 427426976736. Its totient is φ = 125765548480.

The previous prime is 268021337393. The next prime is 268021337429. The reversal of 268021337398 is 893733120862.

It is a super-2 number, since 2×268021337398² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268021337393) 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, 54965023 + ... + 54969898.

It is an arithmetic number, because the mean of its divisors is an integer number (26714186046).

Almost surely, 2^268021337398 is an apocalyptic number.

268021337398 is a deficient number, since it is larger than the sum of its proper divisors (159405639338).

268021337398 is a wasteful number, since it uses less digits than its factorization.

268021337398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109934999.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 268021337398 in words is "two hundred sixty-eight billion, twenty-one million, three hundred thirty-seven thousand, three hundred ninety-eight".