268433408 has 24 divisors (see below), whose sum is σ = 536739840. Its totient is φ = 134215680.

The previous prime is 268433401. The next prime is 268433441. The reversal of 268433408 is 804334862.

It is a nialpdrome in base 2, base 4 and base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268433401) 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 as a sum of consecutive naturals, namely, 63488 + ... + 67583.

It is an arithmetic number, because the mean of its divisors is an integer number (22364160).

Almost surely, 2^268433408 is an apocalyptic number.

It is an amenable number.

268433408 is a deficient number, since it is larger than the sum of its proper divisors (268306432).

268433408 is an equidigital number, since it uses as much as digits as its factorization.

268433408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131093 (or 131073 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 268433408 is about 16383.9374998808. The cubic root of 268433408 is about 645.0779370198.

The spelling of 268433408 in words is "two hundred sixty-eight million, four hundred thirty-three thousand, four hundred eight".