2040445360 has 80 divisors (see below), whose sum is σ = 4886687232. Its totient is φ = 791859200.

The previous prime is 2040445339. The next prime is 2040445361. The reversal of 2040445360 is 635440402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2040445360³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040445361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624852 + ... + 628108.

Almost surely, 2^2040445360 is an apocalyptic number.

2040445360 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 2040445360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443343616).

2040445360 is an abundant number, since it is smaller than the sum of its proper divisors (2846241872).

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

2040445360 is a wasteful number, since it uses less digits than its factorization.

2040445360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2040445360 is about 45171.2891115585. The cubic root of 2040445360 is about 1268.3574275908.

Adding to 2040445360 its reverse (635440402), we get a palindrome (2675885762).

The spelling of 2040445360 in words is "two billion, forty million, four hundred forty-five thousand, three hundred sixty".