268628520448 has 40 divisors (see below), whose sum is σ = 544292060400. Its totient is φ = 132422492160.

The previous prime is 268628520431. The next prime is 268628520449. The reversal of 268628520448 is 844025826862.

It is a super-2 number, since 2×268628520448² (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 (268628520449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658473 + ... + 3731176.

It is an arithmetic number, because the mean of its divisors is an integer number (13607301510).

Almost surely, 2^268628520448 is an apocalyptic number.

It is an amenable number.

268628520448 is an abundant number, since it is smaller than the sum of its proper divisors (275663539952).

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

268628520448 is an frugal number, since it uses more digits than its factorization.

268628520448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389738 (or 7389722 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 268628520448 in words is "two hundred sixty-eight billion, six hundred twenty-eight million, five hundred twenty thousand, four hundred forty-eight".