400340233219 has 2 divisors, whose sum is σ = 400340233220. Its totient is φ = 400340233218.

The previous prime is 400340233217. The next prime is 400340233289. The reversal of 400340233219 is 912332043004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400340233219 - 2¹ = 400340233217 is a prime.

It is a super-2 number, since 2×400340233219² (a number of 24 digits) contains 22 as substring.

Together with 400340233217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (400340233213) by changing a digit.

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 as a sum of consecutive naturals, namely, 200170116609 + 200170116610.

It is an arithmetic number, because the mean of its divisors is an integer number (200170116610).

Almost surely, 2^400340233219 is an apocalyptic number.

400340233219 is a deficient number, since it is larger than the sum of its proper divisors (1).

400340233219 is an equidigital number, since it uses as much as digits as its factorization.

400340233219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 400340233219 in words is "four hundred billion, three hundred forty million, two hundred thirty-three thousand, two hundred nineteen".