1068405550 has 24 divisors (see below), whose sum is σ = 1988261136. Its totient is φ = 427141440.

The previous prime is 1068405539. The next prime is 1068405557. The reversal of 1068405550 is 555048601.

It is a happy number.

It is a super-2 number, since 2×1068405550² = 2282980838541605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068405557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 120882 + ... + 129418.

It is an arithmetic number, because the mean of its divisors is an integer number (82844214).

Almost surely, 2^1068405550 is an apocalyptic number.

1068405550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1068405550 is a deficient number, since it is larger than the sum of its proper divisors (919855586).

1068405550 is a wasteful number, since it uses less digits than its factorization.

1068405550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052 (or 11047 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1068405550 is about 32686.4735020467. The cubic root of 1068405550 is about 1022.3008262168.

The spelling of 1068405550 in words is "one billion, sixty-eight million, four hundred five thousand, five hundred fifty".