342881280000 has 840 divisors, whose sum is σ = 1415857130688. Its totient is φ = 78299136000.

The previous prime is 342881279987. The next prime is 342881280023. The reversal of 342881280000 is 82188243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 322559469 + ... + 322560531.

Almost surely, 2^342881280000 is an apocalyptic number.

342881280000 is a gapful number since it is divisible by the number (30) 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 342881280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707928565344).

342881280000 is an abundant number, since it is smaller than the sum of its proper divisors (1072975850688).

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

342881280000 is an equidigital number, since it uses as much as digits as its factorization.

342881280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 342881280000 in words is "three hundred forty-two billion, eight hundred eighty-one million, two hundred eighty thousand".