2045352340 has 12 divisors (see below), whose sum is σ = 4295239956. Its totient is φ = 818140928.

The previous prime is 2045352329. The next prime is 2045352347. The reversal of 2045352340 is 432535402.

It can be written as a sum of positive squares in 2 ways, for example, as 450627984 + 1594724356 = 21228^2 + 39934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2045352299 and 2045352308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045352347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51133789 + ... + 51133828.

It is an arithmetic number, because the mean of its divisors is an integer number (357936663).

Almost surely, 2^2045352340 is an apocalyptic number.

2045352340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045352340 is an abundant number, since it is smaller than the sum of its proper divisors (2249887616).

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

2045352340 is a wasteful number, since it uses less digits than its factorization.

2045352340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102267626 (or 102267624 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2045352340 is about 45225.5717487353. The cubic root of 2045352340 is about 1269.3733531964.

Adding to 2045352340 its reverse (432535402), we get a palindrome (2477887742).

The spelling of 2045352340 in words is "two billion, forty-five million, three hundred fifty-two thousand, three hundred forty".