403331322368 has 270 divisors, whose sum is σ = 934341210891. Its totient is φ = 173823197184.

The previous prime is 403331322319. The next prime is 403331322469. The reversal of 403331322368 is 863223133304.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 163513479424 + 239817842944 = 404368^2 + 489712^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=449072.

It is a Duffinian 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 26 ways as a sum of consecutive naturals, for example, 3175837121 + ... + 3175837247.

Almost surely, 2^403331322368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403331322368

403331322368 is an abundant number, since it is smaller than the sum of its proper divisors (531009888523).

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

403331322368 is an equidigital number, since it uses as much as digits as its factorization.

403331322368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 403331322368 in words is "four hundred three billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred sixty-eight".