305413212061442 has 8 divisors (see below), whose sum is σ = 458119935039756. Its totient is φ = 152706567048192.

The previous prime is 305413212061403. The next prime is 305413212061511. The reversal of 305413212061442 is 244160212314503.

It can be written as a sum of positive squares in 2 ways, for example, as 264954694850041 + 40458517211401 = 16277429^2 + 6360701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×305413212061442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305413212061396 and 305413212061405.

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, 8446223 + ... + 26118290.

Almost surely, 2^{305413212061442} is an apocalyptic number.

305413212061442 is a deficient number, since it is larger than the sum of its proper divisors (152706722978314).

305413212061442 is a wasteful number, since it uses less digits than its factorization.

305413212061442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38982532.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 305413212061442 its reverse (244160212314503), we get a palindrome (549573424375945).

The spelling of 305413212061442 in words is "three hundred five trillion, four hundred thirteen billion, two hundred twelve million, sixty-one thousand, four hundred forty-two".