268328511 has 48 divisors (see below), whose sum is σ = 456072960. Its totient is φ = 155509200.

The previous prime is 268328399. The next prime is 268328531. The reversal of 268328511 is 115823862.

It is a happy number.

It is not a de Polignac number, because 268328511 - 2¹⁷ = 268197439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268328531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73356 + ... + 76926.

It is an arithmetic number, because the mean of its divisors is an integer number (9501520).

Almost surely, 2^268328511 is an apocalyptic number.

268328511 is a deficient number, since it is larger than the sum of its proper divisors (187744449).

268328511 is a wasteful number, since it uses less digits than its factorization.

268328511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3608 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 268328511 is about 16380.7359724769. The cubic root of 268328511 is about 644.9938993474.

The spelling of 268328511 in words is "two hundred sixty-eight million, three hundred twenty-eight thousand, five hundred eleven".