340333420 has 72 divisors (see below), whose sum is σ = 835122960. Its totient is φ = 116161920.

The previous prime is 340333403. The next prime is 340333429. The reversal of 340333420 is 24333043.

It is a junction number, because it is equal to n+sod(n) for n = 340333391 and 340333400.

It is not an unprimeable number, because it can be changed into a prime (340333429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262975 + ... + 264265.

It is an arithmetic number, because the mean of its divisors is an integer number (11598930).

Almost surely, 2^340333420 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 340333420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417561480).

340333420 is an abundant number, since it is smaller than the sum of its proper divisors (494789540).

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

340333420 is a wasteful number, since it uses less digits than its factorization.

340333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 340333420 is about 18448.1278182909. The cubic root of 340333420 is about 698.1812787395.

Adding to 340333420 its reverse (24333043), we get a palindrome (364666463).

The spelling of 340333420 in words is "three hundred forty million, three hundred thirty-three thousand, four hundred twenty".