1385706841344 has 162 divisors, whose sum is σ = 4647634317690. Its totient is φ = 395916208128.

The previous prime is 1385706841339. The next prime is 1385706841381. The reversal of 1385706841344 is 4431486075831.

1385706841344 is a `hidden beast` number, since 1 + 3 + 8 + 570 + 68 + 4 + 1 + 3 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1359369446400 + 26337394944 = 1165920^2 + 162288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6024199 + ... + 6249990.

Almost surely, 2^{1385706841344} is an apocalyptic number.

1385706841344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1385706841344 is an abundant number, since it is smaller than the sum of its proper divisors (3261927476346).

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

1385706841344 is a wasteful number, since it uses less digits than its factorization.

1385706841344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274225 (or 12274201 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 1385706841344 in words is "one trillion, three hundred eighty-five billion, seven hundred six million, eight hundred forty-one thousand, three hundred forty-four".