1346542642220 has 72 divisors (see below), whose sum is σ = 2988669601008. Its totient is φ = 509538960000.

The previous prime is 1346542642183. The next prime is 1346542642253. The reversal of 1346542642220 is 222462456431.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4928195 + ... + 5194245.

It is an arithmetic number, because the mean of its divisors is an integer number (41509300014).

Almost surely, 2^{1346542642220} is an apocalyptic number.

1346542642220 is a gapful number since it is divisible by the number (10) 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 1346542642220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494334800504).

1346542642220 is an abundant number, since it is smaller than the sum of its proper divisors (1642126958788).

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

1346542642220 is a wasteful number, since it uses less digits than its factorization.

1346542642220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266799 (or 266778 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 1346542642220 in words is "one trillion, three hundred forty-six billion, five hundred forty-two million, six hundred forty-two thousand, two hundred twenty".