2043500345100 has 108 divisors (see below), whose sum is σ = 6410165296080. Its totient is φ = 544514256000.

The previous prime is 2043500345069. The next prime is 2043500345119. The reversal of 2043500345100 is 15430053402.

2043500345100 is a `hidden beast` number, since 20 + 4 + 3 + 500 + 34 + 5 + 100 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 298281 + ... + 2043519.

Almost surely, 2^{2043500345100} is an apocalyptic number.

2043500345100 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 2043500345100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205082648040).

2043500345100 is an abundant number, since it is smaller than the sum of its proper divisors (4366664950980).

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

2043500345100 is a wasteful number, since it uses less digits than its factorization.

2043500345100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746560 (or 1746550 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 2043500345100 its reverse (15430053402), we get a palindrome (2058930398502).

The spelling of 2043500345100 in words is "two trillion, forty-three billion, five hundred million, three hundred forty-five thousand, one hundred".