4340065640 has 16 divisors (see below), whose sum is σ = 9765147780. Its totient is φ = 1736026240.

The previous prime is 4340065579. The next prime is 4340065651. The reversal of 4340065640 is 465600434.

It can be written as a sum of positive squares in 2 ways, for example, as 4096768036 + 243297604 = 64006^2 + 15598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4340065597 and 4340065606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54250781 + ... + 54250860.

Almost surely, 2^4340065640 is an apocalyptic number.

4340065640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4340065640 is an abundant number, since it is smaller than the sum of its proper divisors (5425082140).

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

4340065640 is a wasteful number, since it uses less digits than its factorization.

4340065640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108501652 (or 108501648 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 4340065640 is about 65879.1745546345. The cubic root of 4340065640 is about 1631.1682743317.

The spelling of 4340065640 in words is "four billion, three hundred forty million, sixty-five thousand, six hundred forty".