2340305440 has 48 divisors (see below), whose sum is σ = 6031609920. Its totient is φ = 851019520.

The previous prime is 2340305399. The next prime is 2340305483. The reversal of 2340305440 is 445030432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663100 + ... + 666619.

It is an arithmetic number, because the mean of its divisors is an integer number (125658540).

Almost surely, 2^2340305440 is an apocalyptic number.

2340305440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340305440 is an abundant number, since it is smaller than the sum of its proper divisors (3691304480).

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

2340305440 is a wasteful number, since it uses less digits than its factorization.

2340305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329745 (or 1329737 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2340305440 is about 48376.7034842185. The cubic root of 2340305440 is about 1327.6721562131.

Adding to 2340305440 its reverse (445030432), we get a palindrome (2785335872).

The spelling of 2340305440 in words is "two billion, three hundred forty million, three hundred five thousand, four hundred forty".