1385682040512 has 896 divisors, whose sum is σ = 5272620595200. Its totient is φ = 346274611200.

The previous prime is 1385682040511. The next prime is 1385682040549. The reversal of 1385682040512 is 2150402865831.

1385682040512 is a `hidden beast` number, since 1 + 3 + 8 + 56 + 82 + 0 + 4 + 0 + 512 = 666.

It is a super-2 number, since 2×1385682040512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385682040511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1624480278 + ... + 1624481130.

It is an arithmetic number, because the mean of its divisors is an integer number (5884621200).

Almost surely, 2^{1385682040512} is an apocalyptic number.

1385682040512 is a gapful number since it is divisible by the number (12) 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 1385682040512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636310297600).

1385682040512 is an abundant number, since it is smaller than the sum of its proper divisors (3886938554688).

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

1385682040512 is a wasteful number, since it uses less digits than its factorization.

1385682040512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 1385682040512 in words is "one trillion, three hundred eighty-five billion, six hundred eighty-two million, forty thousand, five hundred twelve".