305234880 has 112 divisors (see below), whose sum is σ = 978347040. Its totient is φ = 80621568.

The previous prime is 305234879. The next prime is 305234899. The reversal of 305234880 is 88432503.

It is a super-2 number, since 2×305234880² = 186336663937228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103182 + ... + 106098.

Almost surely, 2^305234880 is an apocalyptic number.

305234880 is a gapful number since it is divisible by the number (30) 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 305234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489173520).

305234880 is an abundant number, since it is smaller than the sum of its proper divisors (673112160).

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

305234880 is a wasteful number, since it uses less digits than its factorization.

305234880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 305234880 is about 17470.9724972596. The cubic root of 305234880 is about 673.3042978907.

The spelling of 305234880 in words is "three hundred five million, two hundred thirty-four thousand, eight hundred eighty".