2043311222440 has 32 divisors (see below), whose sum is σ = 4745755100160. Its totient is φ = 790959182400.

The previous prime is 2043311222437. The next prime is 2043311222479. The reversal of 2043311222440 is 442221133402.

It is a junction number, because it is equal to n+sod(n) for n = 2043311222399 and 2043311222408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823914576 + ... + 823917055.

It is an arithmetic number, because the mean of its divisors is an integer number (148304846880).

Almost surely, 2^{2043311222440} is an apocalyptic number.

2043311222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043311222440 is an abundant number, since it is smaller than the sum of its proper divisors (2702443877720).

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

2043311222440 is a wasteful number, since it uses less digits than its factorization.

2043311222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647831673 (or 1647831669 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2043311222440 its reverse (442221133402), we get a palindrome (2485532355842).

The spelling of 2043311222440 in words is "two trillion, forty-three billion, three hundred eleven million, two hundred twenty-two thousand, four hundred forty".