305650540340 has 12 divisors (see below), whose sum is σ = 641866134756. Its totient is φ = 122260216128.

The previous prime is 305650540313. The next prime is 305650540357. The reversal of 305650540340 is 43045056503.

It can be written as a sum of positive squares in 2 ways, for example, as 176699166736 + 128951373604 = 420356^2 + 359098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305650540340.

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, 7641263489 + ... + 7641263528.

It is an arithmetic number, because the mean of its divisors is an integer number (53488844563).

Almost surely, 2^305650540340 is an apocalyptic number.

It is an amenable number.

305650540340 is an abundant number, since it is smaller than the sum of its proper divisors (336215594416).

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

305650540340 is a wasteful number, since it uses less digits than its factorization.

305650540340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282527026 (or 15282527024 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 305650540340 its reverse (43045056503), we get a palindrome (348695596843).

The spelling of 305650540340 in words is "three hundred five billion, six hundred fifty million, five hundred forty thousand, three hundred forty".