1336543120440 has 384 divisors, whose sum is σ = 5026169491200. Its totient is φ = 304611840000.

The previous prime is 1336543120433. The next prime is 1336543120441. The reversal of 1336543120440 is 440213456331.

1336543120440 is a `hidden beast` number, since 1 + 33 + 65 + 4 + 3 + 120 + 440 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1336543120395 and 1336543120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336543120441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9788640 + ... + 9924240.

It is an arithmetic number, because the mean of its divisors is an integer number (13088983050).

Almost surely, 2^{1336543120440} is an apocalyptic number.

1336543120440 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 1336543120440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513084745600).

1336543120440 is an abundant number, since it is smaller than the sum of its proper divisors (3689626370760).

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

1336543120440 is a wasteful number, since it uses less digits than its factorization.

1336543120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135779 (or 135772 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 1336543120440 its reverse (440213456331), we get a palindrome (1776756576771).

The spelling of 1336543120440 in words is "one trillion, three hundred thirty-six billion, five hundred forty-three million, one hundred twenty thousand, four hundred forty".