2040543450 has 144 divisors (see below), whose sum is σ = 6063647616. Its totient is φ = 487814400.

The previous prime is 2040543433. The next prime is 2040543487. The reversal of 2040543450 is 543450402.

2040543450 is a `hidden beast` number, since 204 + 0 + 5 + 4 + 3 + 450 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 358527 + ... + 364173.

It is an arithmetic number, because the mean of its divisors is an integer number (42108664).

Almost surely, 2^2040543450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040543450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031823808).

2040543450 is an abundant number, since it is smaller than the sum of its proper divisors (4023104166).

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

2040543450 is a wasteful number, since it uses less digits than its factorization.

2040543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2040543450 is about 45172.3748545502. The cubic root of 2040543450 is about 1268.3777517790.

Adding to 2040543450 its reverse (543450402), we get a palindrome (2583993852).

It can be divided in two parts, 2040 and 543450, that added together give a triangular number (545490 = T₁₀₄₄).

The spelling of 2040543450 in words is "two billion, forty million, five hundred forty-three thousand, four hundred fifty".