305095490 has 64 divisors (see below), whose sum is σ = 659128320. Its totient is φ = 99472320.

The previous prime is 305095489. The next prime is 305095499. The reversal of 305095490 is 94590503.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 305095490.

It is not an unprimeable number, because it can be changed into a prime (305095499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126839 + ... + 129221.

It is an arithmetic number, because the mean of its divisors is an integer number (10298880).

Almost surely, 2^305095490 is an apocalyptic number.

305095490 is an abundant number, since it is smaller than the sum of its proper divisors (354032830).

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

305095490 is a wasteful number, since it uses less digits than its factorization.

305095490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 305095490 is about 17466.9828533722. The cubic root of 305095490 is about 673.2017908466.

The spelling of 305095490 in words is "three hundred five million, ninety-five thousand, four hundred ninety".