1383264144000 has 1536 divisors, whose sum is σ = 5528516198400. Its totient is φ = 330034176000.

The previous prime is 1383264143971. The next prime is 1383264144089. The reversal of 1383264144000 is 4414623831.

1383264144000 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 2 + 641 + 4 + 4 + 0 + 0 + 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 polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3986351827 + ... + 3986352173.

It is an arithmetic number, because the mean of its divisors is an integer number (3599294400).

Almost surely, 2^{1383264144000} is an apocalyptic number.

1383264144000 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 1383264144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764258099200).

1383264144000 is an abundant number, since it is smaller than the sum of its proper divisors (4145252054400).

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

1383264144000 is a wasteful number, since it uses less digits than its factorization.

1383264144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 1383264144000 its reverse (4414623831), we get a palindrome (1387678767831).

The spelling of 1383264144000 in words is "one trillion, three hundred eighty-three billion, two hundred sixty-four million, one hundred forty-four thousand".