1385382857392 has 20 divisors (see below), whose sum is σ = 2684835210640. Its totient is φ = 692522157888.

The previous prime is 1385382857377. The next prime is 1385382857393. The reversal of 1385382857392 is 2937582835831.

It is not an unprimeable number, because it can be changed into a prime (1385382857393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511892 + ... + 10642867.

It is an arithmetic number, because the mean of its divisors is an integer number (134241760532).

Almost surely, 2^{1385382857392} is an apocalyptic number.

It is an amenable number.

1385382857392 is a deficient number, since it is larger than the sum of its proper divisors (1299452353248).

1385382857392 is a wasteful number, since it uses less digits than its factorization.

1385382857392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21158860 (or 21158854 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 64.

The spelling of 1385382857392 in words is "one trillion, three hundred eighty-five billion, three hundred eighty-two million, eight hundred fifty-seven thousand, three hundred ninety-two".