1043343221240 has 64 divisors (see below), whose sum is σ = 2416863960000. Its totient is φ = 405112181760.

The previous prime is 1043343221231. The next prime is 1043343221257. The reversal of 1043343221240 is 421223433401.

1043343221240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272095 + ... + 1924814.

It is an arithmetic number, because the mean of its divisors is an integer number (37763499375).

Almost surely, 2^{1043343221240} is an apocalyptic number.

1043343221240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043343221240 is an abundant number, since it is smaller than the sum of its proper divisors (1373520738760).

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

1043343221240 is a wasteful number, since it uses less digits than its factorization.

1043343221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197160 (or 3197156 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1043343221240 its reverse (421223433401), we get a palindrome (1464566654641).

The spelling of 1043343221240 in words is "one trillion, forty-three billion, three hundred forty-three million, two hundred twenty-one thousand, two hundred forty".