342656819728 has 20 divisors (see below), whose sum is σ = 680090213628. Its totient is φ = 167149667840.

The previous prime is 342656819719. The next prime is 342656819767. The reversal of 342656819728 is 827918656243.

It can be written as a sum of positive squares in 2 ways, for example, as 95894270224 + 246762549504 = 309668^2 + 496752^2 .

It is a super-2 number, since 2×342656819728² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 261170701 + ... + 261172012.

Almost surely, 2^342656819728 is an apocalyptic number.

It is an amenable number.

342656819728 is a deficient number, since it is larger than the sum of its proper divisors (337433393900).

342656819728 is a wasteful number, since it uses less digits than its factorization.

342656819728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522342762 (or 522342756 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 342656819728 in words is "three hundred forty-two billion, six hundred fifty-six million, eight hundred nineteen thousand, seven hundred twenty-eight".