1385171424000 has 1728 divisors, whose sum is σ = 6497402446080. Its totient is φ = 274975948800.

The previous prime is 1385171423873. The next prime is 1385171424031. The reversal of 1385171424000 is 4241715831.

1385171424000 is a `hidden beast` number, since 1 + 3 + 85 + 171 + 4 + 2 + 400 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 445534446 + ... + 445537554.

It is an arithmetic number, because the mean of its divisors is an integer number (3760070860).

Almost surely, 2^{1385171424000} is an apocalyptic number.

1385171424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385171424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3248701223040).

1385171424000 is an abundant number, since it is smaller than the sum of its proper divisors (5112231022080).

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

1385171424000 is a wasteful number, since it uses less digits than its factorization.

1385171424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 1385171424000 in words is "one trillion, three hundred eighty-five billion, one hundred seventy-one million, four hundred twenty-four thousand".