2043402500 has 60 divisors (see below), whose sum is σ = 4703806800. Its totient is φ = 774324000.

The previous prime is 2043402497. The next prime is 2043402551. The reversal of 2043402500 is 52043402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25991 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (78396780).

Almost surely, 2^2043402500 is an apocalyptic number.

2043402500 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 2043402500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351903400).

2043402500 is an abundant number, since it is smaller than the sum of its proper divisors (2660404300).

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

2043402500 is a wasteful number, since it uses less digits than its factorization.

2043402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43062 (or 43045 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2043402500 is about 45204.0097778947. The cubic root of 2043402500 is about 1268.9698592513.

Adding to 2043402500 its reverse (52043402), we get a palindrome (2095445902).

The spelling of 2043402500 in words is "two billion, forty-three million, four hundred two thousand, five hundred".