305042442 has 8 divisors (see below), whose sum is σ = 610084896. Its totient is φ = 101680812.

The previous prime is 305042417. The next prime is 305042453. The reversal of 305042442 is 244240503.

It is a sphenic number, since it is the product of 3 distinct primes.

305042442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25420198 + ... + 25420209.

It is an arithmetic number, because the mean of its divisors is an integer number (76260612).

Almost surely, 2^305042442 is an apocalyptic number.

305042442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

305042442 is a wasteful number, since it uses less digits than its factorization.

305042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50840412.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 305042442 is about 17465.4642652293. The cubic root of 305042442 is about 673.1627712830.

Adding to 305042442 its reverse (244240503), we get a palindrome (549282945).

The spelling of 305042442 in words is "three hundred five million, forty-two thousand, four hundred forty-two".