1043540044000 has 48 divisors (see below), whose sum is σ = 2563977897936. Its totient is φ = 417416016000.

The previous prime is 1043540043991. The next prime is 1043540044037. The reversal of 1043540044000 is 4400453401.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130438506 + ... + 130446505.

It is an arithmetic number, because the mean of its divisors is an integer number (53416206207).

Almost surely, 2^{1043540044000} is an apocalyptic number.

1043540044000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043540044000 is an abundant number, since it is smaller than the sum of its proper divisors (1520437853936).

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

1043540044000 is an equidigital number, since it uses as much as digits as its factorization.

1043540044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260885036 (or 260885018 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 1043540044000 its reverse (4400453401), we get a palindrome (1047940497401).

The spelling of 1043540044000 in words is "one trillion, forty-three billion, five hundred forty million, forty-four thousand".