1366779044 has 12 divisors (see below), whose sum is σ = 2392381824. Its totient is φ = 683241384.

The previous prime is 1366778989. The next prime is 1366779091. The reversal of 1366779044 is 4409776631.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1366779044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14792 + ... + 54335.

It is an arithmetic number, because the mean of its divisors is an integer number (199365152).

Almost surely, 2^1366779044 is an apocalyptic number.

It is an amenable number.

1366779044 is a deficient number, since it is larger than the sum of its proper divisors (1025602780).

1366779044 is a wasteful number, since it uses less digits than its factorization.

1366779044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74074 (or 74072 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 1366779044 is about 36969.9748985579. The cubic root of 1366779044 is about 1109.7694632557.

The spelling of 1366779044 in words is "one billion, three hundred sixty-six million, seven hundred seventy-nine thousand, forty-four".