341220440 has 64 divisors (see below), whose sum is σ = 839808000. Its totient is φ = 123744640.

The previous prime is 341220431. The next prime is 341220443. The reversal of 341220440 is 44022143.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341220443) 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 15 ways as a sum of consecutive naturals, for example, 209951 + ... + 211569.

It is an arithmetic number, because the mean of its divisors is an integer number (13122000).

Almost surely, 2^341220440 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 341220440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419904000).

341220440 is an abundant number, since it is smaller than the sum of its proper divisors (498587560).

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

341220440 is a wasteful number, since it uses less digits than its factorization.

341220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 341220440 is about 18472.1530959442. The cubic root of 341220440 is about 698.7873153161.

Adding to 341220440 its reverse (44022143), we get a palindrome (385242583).

The spelling of 341220440 in words is "three hundred forty-one million, two hundred twenty thousand, four hundred forty".