305030466 has 72 divisors (see below), whose sum is σ = 720694260. Its totient is φ = 93195648.

The previous prime is 305030459. The next prime is 305030471. The reversal of 305030466 is 664030503.

It can be written as a sum of positive squares in 6 ways, for example, as 182817441 + 122213025 = 13521^2 + 11055^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 599020 + ... + 599528.

Almost surely, 2^305030466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305030466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360347130).

305030466 is an abundant number, since it is smaller than the sum of its proper divisors (415663794).

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

305030466 is a wasteful number, since it uses less digits than its factorization.

305030466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 305030466 is about 17465.1214138351. The cubic root of 305030466 is about 673.1539616861.

Adding to 305030466 its reverse (664030503), we get a palindrome (969060969).

The spelling of 305030466 in words is "three hundred five million, thirty thousand, four hundred sixty-six".