342421156352 has 90 divisors (see below), whose sum is σ = 752345451627. Its totient is φ = 155579776000.

The previous prime is 342421156351. The next prime is 342421156373. The reversal of 342421156352 is 253651124243.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 171210578176 + 171210578176 = 413776^2 + 413776^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=413776.

It is not an unprimeable number, because it can be changed into a prime (342421156351) 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 8 ways as a sum of consecutive naturals, for example, 145647977 + ... + 145650327.

Almost surely, 2^342421156352 is an apocalyptic number.

342421156352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342421156352

342421156352 is an abundant number, since it is smaller than the sum of its proper divisors (409924295275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342421156352 is an frugal number, since it uses more digits than its factorization.

342421156352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 2364 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The spelling of 342421156352 in words is "three hundred forty-two billion, four hundred twenty-one million, one hundred fifty-six thousand, three hundred fifty-two".