1389986488800 has 1296 divisors, whose sum is σ = 6306988326912. Its totient is φ = 285310771200.

The previous prime is 1389986488789. The next prime is 1389986488817. The reversal of 1389986488800 is 88846899831.

1389986488800 is a `hidden beast` number, since 1 + 389 + 98 + 6 + 4 + 88 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 215 ways as a sum of consecutive naturals, for example, 169692705 + ... + 169700895.

Almost surely, 2^{1389986488800} is an apocalyptic number.

1389986488800 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 1389986488800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153494163456).

1389986488800 is an abundant number, since it is smaller than the sum of its proper divisors (4917001838112).

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

1389986488800 is a wasteful number, since it uses less digits than its factorization.

1389986488800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8258 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 72.

The spelling of 1389986488800 in words is "one trillion, three hundred eighty-nine billion, nine hundred eighty-six million, four hundred eighty-eight thousand, eight hundred".