305412205144 has 64 divisors (see below), whose sum is σ = 632912667840. Its totient is φ = 137427333120.

The previous prime is 305412205079. The next prime is 305412205177. The reversal of 305412205144 is 441502214503.

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, 10060132 + ... + 10090444.

It is an arithmetic number, because the mean of its divisors is an integer number (9889260435).

Almost surely, 2^305412205144 is an apocalyptic number.

305412205144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

305412205144 is an abundant number, since it is smaller than the sum of its proper divisors (327500462696).

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

305412205144 is a wasteful number, since it uses less digits than its factorization.

305412205144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33580 (or 33576 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 305412205144 its reverse (441502214503), we get a palindrome (746914419647).

The spelling of 305412205144 in words is "three hundred five billion, four hundred twelve million, two hundred five thousand, one hundred forty-four".