305441244 has 72 divisors (see below), whose sum is σ = 820244880. Its totient is φ = 95503872.

The previous prime is 305441239. The next prime is 305441251. The reversal of 305441244 is 442144503.

It is a happy number.

It is a congruent number.

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, 237427 + ... + 238709.

It is an arithmetic number, because the mean of its divisors is an integer number (11392290).

Almost surely, 2^305441244 is an apocalyptic number.

305441244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305441244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410122440).

305441244 is an abundant number, since it is smaller than the sum of its proper divisors (514803636).

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

305441244 is a wasteful number, since it uses less digits than its factorization.

305441244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 305441244 is about 17476.8774098807. The cubic root of 305441244 is about 673.4560001546.

Adding to 305441244 its reverse (442144503), we get a palindrome (747585747).

The spelling of 305441244 in words is "three hundred five million, four hundred forty-one thousand, two hundred forty-four".