1543353041340 has 288 divisors, whose sum is σ = 5488230069504. Its totient is φ = 346881300480.

The previous prime is 1543353041261. The next prime is 1543353041353. The reversal of 1543353041340 is 431403533451.

1543353041340 is a `hidden beast` number, since 1 + 5 + 4 + 3 + 3 + 5 + 304 + 1 + 340 = 666.

It is a super-2 number, since 2×1543353041340² (a number of 25 digits) contains 22 as substring.

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 = 1543353041295 and 1543353041304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1913047 + ... + 2597393.

It is an arithmetic number, because the mean of its divisors is an integer number (19056354408).

Almost surely, 2^{1543353041340} is an apocalyptic number.

1543353041340 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 1543353041340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744115034752).

1543353041340 is an abundant number, since it is smaller than the sum of its proper divisors (3944877028164).

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

1543353041340 is a wasteful number, since it uses less digits than its factorization.

1543353041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684457 (or 684452 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1543353041340 its reverse (431403533451), we get a palindrome (1974756574791).

The spelling of 1543353041340 in words is "one trillion, five hundred forty-three billion, three hundred fifty-three million, forty-one thousand, three hundred forty".