1385409862188 has 36 divisors (see below), whose sum is σ = 3820372651368. Its totient is φ = 419821170240.

The previous prime is 1385409862093. The next prime is 1385409862253. The reversal of 1385409862188 is 8812689045831.

1385409862188 is a `hidden beast` number, since 1 + 3 + 8 + 5 + 409 + 8 + 6 + 218 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1749254481 + ... + 1749255272.

It is an arithmetic number, because the mean of its divisors is an integer number (106121462538).

Almost surely, 2^{1385409862188} is an apocalyptic number.

1385409862188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1385409862188 is an abundant number, since it is smaller than the sum of its proper divisors (2434962789180).

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

1385409862188 is a wasteful number, since it uses less digits than its factorization.

1385409862188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498509774 (or 3498509769 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 1385409862188 in words is "one trillion, three hundred eighty-five billion, four hundred nine million, eight hundred sixty-two thousand, one hundred eighty-eight".