1366773340 has 48 divisors (see below), whose sum is σ = 2960822592. Its totient is φ = 529583616.

The previous prime is 1366773337. The next prime is 1366773347. The reversal of 1366773340 is 433776631.

It is a junction number, because it is equal to n+sod(n) for n = 1366773293 and 1366773302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366773347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168457 + ... + 176383.

It is an arithmetic number, because the mean of its divisors is an integer number (61683804).

Almost surely, 2^1366773340 is an apocalyptic number.

1366773340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366773340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480411296).

1366773340 is an abundant number, since it is smaller than the sum of its proper divisors (1594049252).

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

1366773340 is a wasteful number, since it uses less digits than its factorization.

1366773340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 40.

The square root of 1366773340 is about 36969.8977547950. The cubic root of 1366773340 is about 1109.7679194476.

The spelling of 1366773340 in words is "one billion, three hundred sixty-six million, seven hundred seventy-three thousand, three hundred forty".