303404433142442 has 32 divisors (see below), whose sum is σ = 498347526600000. Its totient is φ = 137986892741376.

The previous prime is 303404433142441. The next prime is 303404433142453. The reversal of 303404433142442 is 244241334404303.

It is a super-2 number, since 2×303404433142442² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 303404433142442.

It is not an unprimeable number, because it can be changed into a prime (303404433142441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768857567 + ... + 769252082.

It is an arithmetic number, because the mean of its divisors is an integer number (15573360206250).

Almost surely, 2^{303404433142442} is an apocalyptic number.

303404433142442 is a deficient number, since it is larger than the sum of its proper divisors (194943093457558).

303404433142442 is a wasteful number, since it uses less digits than its factorization.

303404433142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538109878.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 303404433142442 its reverse (244241334404303), we get a palindrome (547645767546745).

The spelling of 303404433142442 in words is "three hundred three trillion, four hundred four billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred forty-two".