342320516380458 has 576 divisors, whose sum is σ = 1011467934597120. Its totient is φ = 81627548808960.

The previous prime is 342320516380441. The next prime is 342320516380487. The reversal of 342320516380458 is 854083615023243.

342320516380458 is a `hidden beast` number, since 3 + 4 + 2 + 3 + 2 + 0 + 51 + 63 + 80 + 458 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1581801516 + ... + 1582017912.

Almost surely, 2^{342320516380458} is an apocalyptic number.

342320516380458 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342320516380458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505733967298560).

342320516380458 is an abundant number, since it is smaller than the sum of its proper divisors (669147418216662).

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

342320516380458 is a wasteful number, since it uses less digits than its factorization.

342320516380458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216623 (or 216609 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 342320516380458 in words is "three hundred forty-two trillion, three hundred twenty billion, five hundred sixteen million, three hundred eighty thousand, four hundred fifty-eight".