305340355412 has 6 divisors (see below), whose sum is σ = 534345621978. Its totient is φ = 152670177704.

The previous prime is 305340355403. The next prime is 305340355427. The reversal of 305340355412 is 214553043503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 182949531076 + 122390824336 = 427726^2 + 349844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38167544423 + ... + 38167544430.

It is an arithmetic number, because the mean of its divisors is an integer number (89057603663).

Almost surely, 2^305340355412 is an apocalyptic number.

It is an amenable number.

305340355412 is a deficient number, since it is larger than the sum of its proper divisors (229005266566).

305340355412 is a wasteful number, since it uses less digits than its factorization.

305340355412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76335088857 (or 76335088855 counting only the distinct ones).

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

Adding to 305340355412 its reverse (214553043503), we get a palindrome (519893398915).

The spelling of 305340355412 in words is "three hundred five billion, three hundred forty million, three hundred fifty-five thousand, four hundred twelve".