1065043543740 has 192 divisors, whose sum is σ = 3478036423680. Its totient is φ = 240645058560.

The previous prime is 1065043543727. The next prime is 1065043543741. The reversal of 1065043543740 is 473453405601.

It is a super-2 number, since 2×1065043543740² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065043543692 and 1065043543701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065043543741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 694866 + ... + 1616454.

It is an arithmetic number, because the mean of its divisors is an integer number (18114773040).

Almost surely, 2^{1065043543740} is an apocalyptic number.

1065043543740 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 1065043543740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739018211840).

1065043543740 is an abundant number, since it is smaller than the sum of its proper divisors (2412992879940).

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

1065043543740 is a wasteful number, since it uses less digits than its factorization.

1065043543740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921732 (or 921730 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 1065043543740 in words is "one trillion, sixty-five billion, forty-three million, five hundred forty-three thousand, seven hundred forty".