305414140 has 48 divisors (see below), whose sum is σ = 657028512. Its totient is φ = 119218176.

The previous prime is 305414111. The next prime is 305414159. The reversal of 305414140 is 41414503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150412 + ... + 152428.

It is an arithmetic number, because the mean of its divisors is an integer number (13688094).

Almost surely, 2^305414140 is an apocalyptic number.

It is an amenable number.

305414140 is an abundant number, since it is smaller than the sum of its proper divisors (351614372).

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

305414140 is a wasteful number, since it uses less digits than its factorization.

305414140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 305414140 is about 17476.1019681163. The cubic root of 305414140 is about 673.4360793660.

Adding to 305414140 its reverse (41414503), we get a palindrome (346828643).

The spelling of 305414140 in words is "three hundred five million, four hundred fourteen thousand, one hundred forty".