305440311053242 has 32 divisors (see below), whose sum is σ = 493647295463424. Its totient is φ = 141326390290800.

The previous prime is 305440311053221. The next prime is 305440311053279. The reversal of 305440311053242 is 242350113044503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26575984 + ... + 36292747.

It is an arithmetic number, because the mean of its divisors is an integer number (15426477983232).

Almost surely, 2^{305440311053242} is an apocalyptic number.

305440311053242 is a deficient number, since it is larger than the sum of its proper divisors (188206984410182).

305440311053242 is a wasteful number, since it uses less digits than its factorization.

305440311053242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62872194.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 305440311053242 its reverse (242350113044503), we get a palindrome (547790424097745).

The spelling of 305440311053242 in words is "three hundred five trillion, four hundred forty billion, three hundred eleven million, fifty-three thousand, two hundred forty-two".