340400011 has 6 divisors (see below), whose sum is σ = 395975580. Its totient is φ = 291771396.

The previous prime is 340399981. The next prime is 340400017. The reversal of 340400011 is 110004043.

It is not a de Polignac number, because 340400011 - 2¹⁵ = 340367243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340399964 and 340400000.

It is not an unprimeable number, because it can be changed into a prime (340400017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3473421 + ... + 3473518.

It is an arithmetic number, because the mean of its divisors is an integer number (65995930).

Almost surely, 2^340400011 is an apocalyptic number.

340400011 is a deficient number, since it is larger than the sum of its proper divisors (55575569).

340400011 is an equidigital number, since it uses as much as digits as its factorization.

340400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946953 (or 6946946 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 340400011 is about 18449.9325473022. The cubic root of 340400011 is about 698.2268120850.

Adding to 340400011 its reverse (110004043), we get a palindrome (450404054).

The spelling of 340400011 in words is "three hundred forty million, four hundred thousand, eleven".