1043221344340 has 48 divisors (see below), whose sum is σ = 2529542921472. Its totient is φ = 353988504576.

The previous prime is 1043221344329. The next prime is 1043221344377. The reversal of 1043221344340 is 434431223401.

1043221344340 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, 38396632 + ... + 38423791.

It is an arithmetic number, because the mean of its divisors is an integer number (52698810864).

Almost surely, 2^{1043221344340} is an apocalyptic number.

1043221344340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043221344340 is an abundant number, since it is smaller than the sum of its proper divisors (1486321577132).

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

1043221344340 is a wasteful number, since it uses less digits than its factorization.

1043221344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76820536 (or 76820534 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1043221344340 its reverse (434431223401), we get a palindrome (1477652567741).

The spelling of 1043221344340 in words is "one trillion, forty-three billion, two hundred twenty-one million, three hundred forty-four thousand, three hundred forty".