305042053442 has 32 divisors (see below), whose sum is σ = 569432937600. Its totient is φ = 119580910848.

The previous prime is 305042053427. The next prime is 305042053447. The reversal of 305042053442 is 244350240503.

It is a super-2 number, since 2×305042053442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305042053399 and 305042053408.

It is not an unprimeable number, because it can be changed into a prime (305042053447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19764263 + ... + 19779690.

It is an arithmetic number, because the mean of its divisors is an integer number (17794779300).

Almost surely, 2^305042053442 is an apocalyptic number.

305042053442 is a deficient number, since it is larger than the sum of its proper divisors (264390884158).

305042053442 is a wasteful number, since it uses less digits than its factorization.

305042053442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39544010.

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

Adding to 305042053442 its reverse (244350240503), we get a palindrome (549392293945).

The spelling of 305042053442 in words is "three hundred five billion, forty-two million, fifty-three thousand, four hundred forty-two".