2045530340 has 24 divisors (see below), whose sum is σ = 4909273152. Its totient is φ = 701324640.

The previous prime is 2045530327. The next prime is 2045530349. The reversal of 2045530340 is 430355402.

It is not an unprimeable number, because it can be changed into a prime (2045530349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305326 + ... + 7305605.

It is an arithmetic number, because the mean of its divisors is an integer number (204553048).

Almost surely, 2^2045530340 is an apocalyptic number.

2045530340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045530340 is an abundant number, since it is smaller than the sum of its proper divisors (2863742812).

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

2045530340 is a wasteful number, since it uses less digits than its factorization.

2045530340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610947 (or 14610945 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 2045530340 is about 45227.5396191303. The cubic root of 2045530340 is about 1269.4101751982.

Adding to 2045530340 its reverse (430355402), we get a palindrome (2475885742).

The spelling of 2045530340 in words is "two billion, forty-five million, five hundred thirty thousand, three hundred forty".