1355244806 has 16 divisors (see below), whose sum is σ = 2197696560. Its totient is φ = 624607200.

The previous prime is 1355244767. The next prime is 1355244817. The reversal of 1355244806 is 6084425531.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1355244806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480545 + ... + 483356.

It is an arithmetic number, because the mean of its divisors is an integer number (137356035).

Almost surely, 2^1355244806 is an apocalyptic number.

1355244806 is a deficient number, since it is larger than the sum of its proper divisors (842451754).

1355244806 is a wasteful number, since it uses less digits than its factorization.

1355244806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963959.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 1355244806 is about 36813.6497239815. The cubic root of 1355244806 is about 1106.6388615980.

The spelling of 1355244806 in words is "one billion, three hundred fifty-five million, two hundred forty-four thousand, eight hundred six".