305100021044 has 48 divisors (see below), whose sum is σ = 665055904128. Its totient is φ = 119244693888.

The previous prime is 305100021011. The next prime is 305100021047. The reversal of 305100021044 is 440120001503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305100021047) by changing a digit.

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, 5019107 + ... + 5079530.

It is an arithmetic number, because the mean of its divisors is an integer number (13855331336).

Almost surely, 2^305100021044 is an apocalyptic number.

It is an amenable number.

305100021044 is an abundant number, since it is smaller than the sum of its proper divisors (359955883084).

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

305100021044 is a wasteful number, since it uses less digits than its factorization.

305100021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098744 (or 10098742 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 305100021044 its reverse (440120001503), we get a palindrome (745220022547).

The spelling of 305100021044 in words is "three hundred five billion, one hundred million, twenty-one thousand, forty-four".