2045011340 has 12 divisors (see below), whose sum is σ = 4294523856. Its totient is φ = 818004528.

The previous prime is 2045011303. The next prime is 2045011343. The reversal of 2045011340 is 431105402.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 102250567 = 2045011340 / (2 + 0 + 4 + 5 + 0 + 1 + 1 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (2045011343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51125264 + ... + 51125303.

It is an arithmetic number, because the mean of its divisors is an integer number (357876988).

Almost surely, 2^2045011340 is an apocalyptic number.

2045011340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045011340 is an abundant number, since it is smaller than the sum of its proper divisors (2249512516).

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

2045011340 is a wasteful number, since it uses less digits than its factorization.

2045011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102250576 (or 102250574 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2045011340 is about 45221.8016005555. The cubic root of 2045011340 is about 1269.3028062036.

Adding to 2045011340 its reverse (431105402), we get a palindrome (2476116742).

The spelling of 2045011340 in words is "two billion, forty-five million, eleven thousand, three hundred forty".