1042405242242 has 64 divisors (see below), whose sum is σ = 2126236137984. Its totient is φ = 371247528960.

The previous prime is 1042405242217. The next prime is 1042405242251. The reversal of 1042405242242 is 2422425042401.

It is a junction number, because it is equal to n+sod(n) for n = 1042405242199 and 1042405242208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7253009 + ... + 7395332.

It is an arithmetic number, because the mean of its divisors is an integer number (33222439656).

Almost surely, 2^{1042405242242} is an apocalyptic number.

1042405242242 is an abundant number, since it is smaller than the sum of its proper divisors (1083830895742).

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

1042405242242 is a wasteful number, since it uses less digits than its factorization.

1042405242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648403.

The product of its (nonzero) digits is 40960, while the sum is 32.

The spelling of 1042405242242 in words is "one trillion, forty-two billion, four hundred five million, two hundred forty-two thousand, two hundred forty-two".