268742447548 has 12 divisors (see below), whose sum is σ = 471961120120. Its totient is φ = 133896413232.

The previous prime is 268742447537. The next prime is 268742447549. The reversal of 268742447548 is 845744247862.

268742447548 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 2×268742447548² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268742447549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118701363 + ... + 118703626.

Almost surely, 2^268742447548 is an apocalyptic number.

It is an amenable number.

268742447548 is a deficient number, since it is larger than the sum of its proper divisors (203218672572).

268742447548 is a wasteful number, since it uses less digits than its factorization.

268742447548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237405276 (or 237405274 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 61.

The spelling of 268742447548 in words is "two hundred sixty-eight billion, seven hundred forty-two million, four hundred forty-seven thousand, five hundred forty-eight".