2045523040 has 48 divisors (see below), whose sum is σ = 5271875280. Its totient is φ = 743825920.

The previous prime is 2045523031. The next prime is 2045523043. The reversal of 2045523040 is 403255402.

It is a junction number, because it is equal to n+sod(n) for n = 2045522996 and 2045523014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045523043) 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, 579355 + ... + 582874.

It is an arithmetic number, because the mean of its divisors is an integer number (109830735).

Almost surely, 2^2045523040 is an apocalyptic number.

2045523040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045523040 is an abundant number, since it is smaller than the sum of its proper divisors (3226352240).

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

2045523040 is a wasteful number, since it uses less digits than its factorization.

2045523040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162255 (or 1162247 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2045523040 is about 45227.4589160169. The cubic root of 2045523040 is about 1269.4086651244.

Adding to 2045523040 its reverse (403255402), we get a palindrome (2448778442).

The spelling of 2045523040 in words is "two billion, forty-five million, five hundred twenty-three thousand, forty".