1842400068 has 12 divisors (see below), whose sum is σ = 4298933520. Its totient is φ = 614133352.

The previous prime is 1842400051. The next prime is 1842400069. The reversal of 1842400068 is 8600042481.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1842400069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76766658 + ... + 76766681.

It is an arithmetic number, because the mean of its divisors is an integer number (358244460).

Almost surely, 2^1842400068 is an apocalyptic number.

It is an amenable number.

1842400068 is an abundant number, since it is smaller than the sum of its proper divisors (2456533452).

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

1842400068 is a wasteful number, since it uses less digits than its factorization.

1842400068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153533346 (or 153533344 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1842400068 is about 42923.1879990291. The cubic root of 1842400068 is about 1225.9176947995.

The spelling of 1842400068 in words is "one billion, eight hundred forty-two million, four hundred thousand, sixty-eight".