1405344066 has 32 divisors (see below), whose sum is σ = 3401170560. Its totient is φ = 377907456.

The previous prime is 1405344013. The next prime is 1405344067. The reversal of 1405344066 is 6604435041.

It is not an unprimeable number, because it can be changed into a prime (1405344067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983421 + ... + 984848.

It is an arithmetic number, because the mean of its divisors is an integer number (106286580).

Almost surely, 2^1405344066 is an apocalyptic number.

1405344066 is an abundant number, since it is smaller than the sum of its proper divisors (1995826494).

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

1405344066 is a wasteful number, since it uses less digits than its factorization.

1405344066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968298.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1405344066 is about 37487.9189339712. The cubic root of 1405344066 is about 1120.1105508435.

The spelling of 1405344066 in words is "one billion, four hundred five million, three hundred forty-four thousand, sixty-six".