268528704404 has 24 divisors (see below), whose sum is σ = 471891524328. Its totient is φ = 133702860800.

The previous prime is 268528704373. The next prime is 268528704421. The reversal of 268528704404 is 404407825862.

It can be written as a sum of positive squares in 4 ways, for example, as 95356204804 + 173172499600 = 308798^2 + 416140^2 .

It is a super-4 number, since 4×268528704404⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657254 + ... + 3729954.

It is an arithmetic number, because the mean of its divisors is an integer number (19662146847).

Almost surely, 2^268528704404 is an apocalyptic number.

It is an amenable number.

268528704404 is a deficient number, since it is larger than the sum of its proper divisors (203362819924).

268528704404 is a wasteful number, since it uses less digits than its factorization.

268528704404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76555 (or 76553 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 268528704404 in words is "two hundred sixty-eight billion, five hundred twenty-eight million, seven hundred four thousand, four hundred four".