2043121000340 has 96 divisors (see below), whose sum is σ = 4932164321280. Its totient is φ = 696410902656.

The previous prime is 2043121000331. The next prime is 2043121000373. The reversal of 2043121000340 is 430001213402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23152421 + ... + 23240499.

It is an arithmetic number, because the mean of its divisors is an integer number (51376711680).

Almost surely, 2^{2043121000340} is an apocalyptic number.

2043121000340 is a gapful number since it is divisible by the number (20) 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 2043121000340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466082160640).

2043121000340 is an abundant number, since it is smaller than the sum of its proper divisors (2889043320940).

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

2043121000340 is a wasteful number, since it uses less digits than its factorization.

2043121000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89061 (or 89059 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2043121000340 its reverse (430001213402), we get a palindrome (2473122213742).

The spelling of 2043121000340 in words is "two trillion, forty-three billion, one hundred twenty-one million, three hundred forty", and thus it is an aban number.