1068400242 has 96 divisors (see below), whose sum is σ = 2858244480. Its totient is φ = 280869120.

The previous prime is 1068400189. The next prime is 1068400247. The reversal of 1068400242 is 2420048601.

1068400242 is a `hidden beast` number, since 10 + 6 + 8 + 400 + 242 = 666.

It is a super-2 number, since 2×1068400242² = 2282958154211317128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068400247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619942 + ... + 621662.

It is an arithmetic number, because the mean of its divisors is an integer number (29773380).

Almost surely, 2^1068400242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068400242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429122240).

1068400242 is an abundant number, since it is smaller than the sum of its proper divisors (1789844238).

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

1068400242 is a wasteful number, since it uses less digits than its factorization.

1068400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1068400242 is about 32686.3923062794. The cubic root of 1068400242 is about 1022.2991332324.

Adding to 1068400242 its reverse (2420048601), we get a palindrome (3488448843).

The spelling of 1068400242 in words is "one billion, sixty-eight million, four hundred thousand, two hundred forty-two".