1385717760000 has 1360 divisors, whose sum is σ = 5896307577600. Its totient is φ = 314966016000.

The previous prime is 1385717759983. The next prime is 1385717760029. The reversal of 1385717760000 is 677175831.

1385717760000 is a `hidden beast` number, since 1 + 3 + 8 + 571 + 7 + 76 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7741439911 + ... + 7741440089.

Almost surely, 2^{1385717760000} is an apocalyptic number.

1385717760000 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 1385717760000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948153788800).

1385717760000 is an abundant number, since it is smaller than the sum of its proper divisors (4510589817600).

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

1385717760000 is an frugal number, since it uses more digits than its factorization.

1385717760000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 1385717760000 in words is "one trillion, three hundred eighty-five billion, seven hundred seventeen million, seven hundred sixty thousand".