340442244 has 72 divisors (see below), whose sum is σ = 902438880. Its totient is φ = 110988432.

The previous prime is 340442233. The next prime is 340442257. The reversal of 340442244 is 442244043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 237859 + ... + 239285.

Almost surely, 2^340442244 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 340442244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451219440).

340442244 is an abundant number, since it is smaller than the sum of its proper divisors (561996636).

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

340442244 is a wasteful number, since it uses less digits than its factorization.

340442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1479 counting only the distinct ones).

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

The square root of 340442244 is about 18451.0770417339. The cubic root of 340442244 is about 698.2556869308.

Adding to 340442244 its reverse (442244043), we get a palindrome (782686287).

The spelling of 340442244 in words is "three hundred forty million, four hundred forty-two thousand, two hundred forty-four".