1385550285682 has 16 divisors (see below), whose sum is σ = 2174149042200. Its totient is φ = 661370765440.

The previous prime is 1385550285671. The next prime is 1385550285683. The reversal of 1385550285682 is 2865820555831.

It can be written as a sum of positive squares in 4 ways, for example, as 730582177081 + 654968108601 = 854741^2 + 809301^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (1385550285683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134201569 + ... + 134211892.

Almost surely, 2^{1385550285682} is an apocalyptic number.

1385550285682 is a deficient number, since it is larger than the sum of its proper divisors (788598756518).

1385550285682 is a wasteful number, since it uses less digits than its factorization.

1385550285682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268413581.

The product of its (nonzero) digits is 23040000, while the sum is 58.

The spelling of 1385550285682 in words is "one trillion, three hundred eighty-five billion, five hundred fifty million, two hundred eighty-five thousand, six hundred eighty-two".