342121004424404 has 36 divisors (see below), whose sum is σ = 648959259560724. Its totient is φ = 157677390350208.

The previous prime is 342121004424391. The next prime is 342121004424413. The reversal of 342121004424404 is 404424400121243.

It can be written as a sum of positive squares in 2 ways, for example, as 258092578867600 + 84028425556804 = 16065260^2 + 9166702^2 .

It is a super-2 number, since 2×342121004424404² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3201647969 + ... + 3201754824.

It is an arithmetic number, because the mean of its divisors is an integer number (18026646098909).

Almost surely, 2^{342121004424404} is an apocalyptic number.

It is an amenable number.

342121004424404 is a deficient number, since it is larger than the sum of its proper divisors (306838255136320).

342121004424404 is a wasteful number, since it uses less digits than its factorization.

342121004424404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403402872 (or 6403402851 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 342121004424404 its reverse (404424400121243), we get a palindrome (746545404545647).

The spelling of 342121004424404 in words is "three hundred forty-two trillion, one hundred twenty-one billion, four million, four hundred twenty-four thousand, four hundred four".