330440430401 has 2 divisors, whose sum is σ = 330440430402. Its totient is φ = 330440430400.

The previous prime is 330440430379. The next prime is 330440430407. The reversal of 330440430401 is 104034044033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195695640625 + 134744789776 = 442375^2 + 367076^2 .

It is a cyclic number.

It is not a de Polignac number, because 330440430401 - 2³⁰ = 329366688577 is a prime.

It is not a weakly prime, because it can be changed into another prime (330440430407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165220215200 + 165220215201.

It is an arithmetic number, because the mean of its divisors is an integer number (165220215201).

Almost surely, 2^330440430401 is an apocalyptic number.

It is an amenable number.

330440430401 is a deficient number, since it is larger than the sum of its proper divisors (1).

330440430401 is an equidigital number, since it uses as much as digits as its factorization.

330440430401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 330440430401 its reverse (104034044033), we get a palindrome (434474474434).

The spelling of 330440430401 in words is "three hundred thirty billion, four hundred forty million, four hundred thirty thousand, four hundred one".