340221703400 has 48 divisors (see below), whose sum is σ = 791876623200. Its totient is φ = 135940524480.

The previous prime is 340221703373. The next prime is 340221703411. The reversal of 340221703400 is 4307122043.

It is a self number, because there is not a number n which added to its sum of digits gives 340221703400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741722 + ... + 1109321.

It is an arithmetic number, because the mean of its divisors is an integer number (16497429650).

Almost surely, 2^340221703400 is an apocalyptic number.

It is an amenable number.

340221703400 is an abundant number, since it is smaller than the sum of its proper divisors (451654919800).

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

340221703400 is a wasteful number, since it uses less digits than its factorization.

340221703400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851978 (or 1851969 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 340221703400 its reverse (4307122043), we get a palindrome (344528825443).

The spelling of 340221703400 in words is "three hundred forty billion, two hundred twenty-one million, seven hundred three thousand, four hundred".