1043343424640 has 512 divisors, whose sum is σ = 2831862263040. Its totient is φ = 364369674240.

The previous prime is 1043343424633. The next prime is 1043343424691. The reversal of 1043343424640 is 464243433401.

It is a junction number, because it is equal to n+sod(n) for n = 1043343424594 and 1043343424603.

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 63 ways as a sum of consecutive naturals, for example, 5405924384 + ... + 5405924576.

Almost surely, 2^{1043343424640} is an apocalyptic number.

1043343424640 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 1043343424640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415931131520).

1043343424640 is an abundant number, since it is smaller than the sum of its proper divisors (1788518838400).

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

1043343424640 is a wasteful number, since it uses less digits than its factorization.

1043343424640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 1043343424640 in words is "one trillion, forty-three billion, three hundred forty-three million, four hundred twenty-four thousand, six hundred forty".