1366774444380 has 24 divisors (see below), whose sum is σ = 3826968444432. Its totient is φ = 364473185152.

The previous prime is 1366774444331. The next prime is 1366774444403. The reversal of 1366774444380 is 834444776631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366774444380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11389786977 + ... + 11389787096.

It is an arithmetic number, because the mean of its divisors is an integer number (159457018518).

Almost surely, 2^{1366774444380} is an apocalyptic number.

1366774444380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366774444380 is an abundant number, since it is smaller than the sum of its proper divisors (2460194000052).

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

1366774444380 is a wasteful number, since it uses less digits than its factorization.

1366774444380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22779574085 (or 22779574083 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 57.

The spelling of 1366774444380 in words is "one trillion, three hundred sixty-six billion, seven hundred seventy-four million, four hundred forty-four thousand, three hundred eighty".