305422540340 has 12 divisors (see below), whose sum is σ = 641387334756. Its totient is φ = 122169016128.

The previous prime is 305422540327. The next prime is 305422540363. The reversal of 305422540340 is 43045224503.

It can be written as a sum of positive squares in 2 ways, for example, as 212224219684 + 93198320656 = 460678^2 + 305284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305422540297 and 305422540306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7635563489 + ... + 7635563528.

It is an arithmetic number, because the mean of its divisors is an integer number (53448944563).

Almost surely, 2^305422540340 is an apocalyptic number.

It is an amenable number.

305422540340 is an abundant number, since it is smaller than the sum of its proper divisors (335964794416).

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

305422540340 is a wasteful number, since it uses less digits than its factorization.

305422540340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271127026 (or 15271127024 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 305422540340 its reverse (43045224503), we get a palindrome (348467764843).

The spelling of 305422540340 in words is "three hundred five billion, four hundred twenty-two million, five hundred forty thousand, three hundred forty".