2045324340 has 36 divisors (see below), whose sum is σ = 6204151044. Its totient is φ = 545419776.

The previous prime is 2045324339. The next prime is 2045324357. The reversal of 2045324340 is 434235402.

2045324340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 629608464 + 1415715876 = 25092^2 + 37626^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5681277 + ... + 5681636.

It is an arithmetic number, because the mean of its divisors is an integer number (172337529).

Almost surely, 2^2045324340 is an apocalyptic number.

2045324340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045324340 is an abundant number, since it is smaller than the sum of its proper divisors (4158826704).

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

2045324340 is a wasteful number, since it uses less digits than its factorization.

2045324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362928 (or 11362923 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2045324340 is about 45225.2621882947. The cubic root of 2045324340 is about 1269.3675607770.

Adding to 2045324340 its reverse (434235402), we get a palindrome (2479559742).

The spelling of 2045324340 in words is "two billion, forty-five million, three hundred twenty-four thousand, three hundred forty".