340941018 has 64 divisors (see below), whose sum is σ = 791192448. Its totient is φ = 96798720.

The previous prime is 340940987. The next prime is 340941019. The reversal of 340941018 is 810149043.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340941019) 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 31 ways as a sum of consecutive naturals, for example, 310246 + ... + 311342.

It is an arithmetic number, because the mean of its divisors is an integer number (12362382).

Almost surely, 2^340941018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340941018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395596224).

340941018 is an abundant number, since it is smaller than the sum of its proper divisors (450251430).

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

340941018 is a wasteful number, since it uses less digits than its factorization.

340941018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 340941018 is about 18464.5882163670. The cubic root of 340941018 is about 698.5965199158.

The spelling of 340941018 in words is "three hundred forty million, nine hundred forty-one thousand, eighteen".