1680276124242 has 80 divisors (see below), whose sum is σ = 3819551188992. Its totient is φ = 551998100160.

The previous prime is 1680276124231. The next prime is 1680276124243. The reversal of 1680276124242 is 2424216720861.

1680276124242 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 2 + 7 + 612 + 4 + 24 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1680276124243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15639567 + ... + 15746637.

Almost surely, 2^{1680276124242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1680276124242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909775594496).

1680276124242 is an abundant number, since it is smaller than the sum of its proper divisors (2139275064750).

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

1680276124242 is a wasteful number, since it uses less digits than its factorization.

1680276124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108485 (or 108476 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 1680276124242 in words is "one trillion, six hundred eighty billion, two hundred seventy-six million, one hundred twenty-four thousand, two hundred forty-two".