340450040000 has 210 divisors, whose sum is σ = 982040568300. Its totient is φ = 116725056000.

The previous prime is 340450039987. The next prime is 340450040009. The reversal of 340450040000 is 40054043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (340450040009) 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 in 29 ways as a sum of consecutive naturals, for example, 1873151 + ... + 2046849.

Almost surely, 2^340450040000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340450040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491020284150).

340450040000 is an abundant number, since it is smaller than the sum of its proper divisors (641590528300).

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

340450040000 is an equidigital number, since it uses as much as digits as its factorization.

340450040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173745 (or 173713 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 340450040000 its reverse (40054043), we get a palindrome (340490094043).

The spelling of 340450040000 in words is "three hundred forty billion, four hundred fifty million, forty thousand".