2040545444 has 96 divisors (see below), whose sum is σ = 4335206400. Its totient is φ = 822003840.

The previous prime is 2040545383. The next prime is 2040545459. The reversal of 2040545444 is 4445450402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040545444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9150317 + ... + 9150539.

It is an arithmetic number, because the mean of its divisors is an integer number (45158400).

Almost surely, 2^2040545444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040545444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167603200).

2040545444 is an abundant number, since it is smaller than the sum of its proper divisors (2294660956).

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

2040545444 is a wasteful number, since it uses less digits than its factorization.

2040545444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 2040545444 is about 45172.3969255562. The cubic root of 2040545444 is about 1268.3781649278.

Adding to 2040545444 its reverse (4445450402), we get a palindrome (6485995846).

The spelling of 2040545444 in words is "two billion, forty million, five hundred forty-five thousand, four hundred forty-four".