340433220 has 48 divisors (see below), whose sum is σ = 973502208. Its totient is φ = 88849920.

The previous prime is 340433207. The next prime is 340433239. The reversal of 340433220 is 22334043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57541 + ... + 63180.

It is an arithmetic number, because the mean of its divisors is an integer number (20281296).

Almost surely, 2^340433220 is an apocalyptic number.

340433220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340433220 is an abundant number, since it is smaller than the sum of its proper divisors (633068988).

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

340433220 is a wasteful number, since it uses less digits than its factorization.

340433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120780 (or 120778 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340433220 is about 18450.8325015431. The cubic root of 340433220 is about 698.2495173919.

Adding to 340433220 its reverse (22334043), we get a palindrome (362767263).

The spelling of 340433220 in words is "three hundred forty million, four hundred thirty-three thousand, two hundred twenty".