340422444 has 72 divisors (see below), whose sum is σ = 881790000. Its totient is φ = 110702592.

The previous prime is 340422437. The next prime is 340422451. The reversal of 340422444 is 444224043.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (340422437) and next prime (340422451).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271932 + ... + 273180.

Almost surely, 2^340422444 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 340422444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440895000).

340422444 is an abundant number, since it is smaller than the sum of its proper divisors (541367556).

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

340422444 is a wasteful number, since it uses less digits than its factorization.

340422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 340422444 is about 18450.5404798884. The cubic root of 340422444 is about 698.2421499008.

Adding to 340422444 its reverse (444224043), we get a palindrome (784646487).

The spelling of 340422444 in words is "three hundred forty million, four hundred twenty-two thousand, four hundred forty-four".