2045004000340 has 48 divisors (see below), whose sum is σ = 4919344641792. Its totient is φ = 699524937216.

The previous prime is 2045004000311. The next prime is 2045004000343. The reversal of 2045004000340 is 430004005402.

It is a happy number.

It is a super-2 number, since 2×2045004000340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045004000343) 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, 16806784 + ... + 16928023.

It is an arithmetic number, because the mean of its divisors is an integer number (102486346704).

Almost surely, 2^{2045004000340} is an apocalyptic number.

2045004000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045004000340 is an abundant number, since it is smaller than the sum of its proper divisors (2874340641452).

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

2045004000340 is a wasteful number, since it uses less digits than its factorization.

2045004000340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33735256 (or 33735254 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 2045004000340 its reverse (430004005402), we get a palindrome (2475008005742).

The spelling of 2045004000340 in words is "two trillion, forty-five billion, four million, three hundred forty", and thus it is an aban number.