404068823888 has 80 divisors (see below), whose sum is σ = 824165072976. Its totient is φ = 191660359680.

The previous prime is 404068823867. The next prime is 404068823891. The reversal of 404068823888 is 888328860404.

It can be written as a sum of positive squares in 8 ways, for example, as 8714595904 + 395354227984 = 93352^2 + 628772^2 .

It is a super-2 number, since 2×404068823888² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48369920 + ... + 48378272.

Almost surely, 2^404068823888 is an apocalyptic number.

It is an amenable number.

404068823888 is an abundant number, since it is smaller than the sum of its proper divisors (420096249088).

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

404068823888 is a wasteful number, since it uses less digits than its factorization.

404068823888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432 (or 10426 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 59.

The spelling of 404068823888 in words is "four hundred four billion, sixty-eight million, eight hundred twenty-three thousand, eight hundred eighty-eight".