6415523340 has 48 divisors (see below), whose sum is σ = 17966941440. Its totient is φ = 1710475200.

The previous prime is 6415523329. The next prime is 6415523341. The reversal of 6415523340 is 433255146.

It is not an unprimeable number, because it can be changed into a prime (6415523341) 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 15 ways as a sum of consecutive naturals, for example, 597015 + ... + 607665.

It is an arithmetic number, because the mean of its divisors is an integer number (374311280).

Almost surely, 2^6415523340 is an apocalyptic number.

6415523340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6415523340 is an abundant number, since it is smaller than the sum of its proper divisors (11551418100).

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

6415523340 is a wasteful number, since it uses less digits than its factorization.

6415523340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20702 (or 20700 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 6415523340 is about 80096.9621146770. The cubic root of 6415523340 is about 1858.1354247916.

Adding to 6415523340 its reverse (433255146), we get a palindrome (6848778486).

The spelling of 6415523340 in words is "six billion, four hundred fifteen million, five hundred twenty-three thousand, three hundred forty".