305942448 has 80 divisors (see below), whose sum is σ = 905505536. Its totient is φ = 87194880.

The previous prime is 305942443. The next prime is 305942449. The reversal of 305942448 is 844249503.

It is not an unprimeable number, because it can be changed into a prime (305942443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174858 + ... + 176598.

Almost surely, 2^305942448 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 305942448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452752768).

305942448 is an abundant number, since it is smaller than the sum of its proper divisors (599563088).

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

305942448 is a wasteful number, since it uses less digits than its factorization.

305942448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 305942448 is about 17491.2105927520. The cubic root of 305942448 is about 673.8241608526.

The spelling of 305942448 in words is "three hundred five million, nine hundred forty-two thousand, four hundred forty-eight".