234304440442442 has 64 divisors (see below), whose sum is σ = 374558896244736. Its totient is φ = 109679253203520.

The previous prime is 234304440442403. The next prime is 234304440442489. The reversal of 234304440442442 is 244244044403432.

It is a super-2 number, since 2×234304440442442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234304440442393 and 234304440442402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1769992517 + ... + 1770124887.

It is an arithmetic number, because the mean of its divisors is an integer number (5852482753824).

Almost surely, 2^{234304440442442} is an apocalyptic number.

234304440442442 is a deficient number, since it is larger than the sum of its proper divisors (140254455802294).

234304440442442 is a wasteful number, since it uses less digits than its factorization.

234304440442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134195.

The product of its (nonzero) digits is 4718592, while the sum is 44.

Adding to 234304440442442 its reverse (244244044403432), we get a palindrome (478548484845874).

The spelling of 234304440442442 in words is "two hundred thirty-four trillion, three hundred four billion, four hundred forty million, four hundred forty-two thousand, four hundred forty-two".