401340319 has 2 divisors, whose sum is σ = 401340320. Its totient is φ = 401340318.

The previous prime is 401340311. The next prime is 401340323. The reversal of 401340319 is 913043104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401340319 - 2³ = 401340311 is a prime.

It is a super-2 number, since 2×401340319² = 322148103310043522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401340293 and 401340302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401340311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200670159 + 200670160.

It is an arithmetic number, because the mean of its divisors is an integer number (200670160).

Almost surely, 2^401340319 is an apocalyptic number.

401340319 is a deficient number, since it is larger than the sum of its proper divisors (1).

401340319 is an equidigital number, since it uses as much as digits as its factorization.

401340319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 401340319 is about 20033.4799523198. The cubic root of 401340319 is about 737.6283451438.

The spelling of 401340319 in words is "four hundred one million, three hundred forty thousand, three hundred nineteen".