6423215760 has 200 divisors, whose sum is σ = 24025155000. Its totient is φ = 1581078528.

The previous prime is 6423215749. The next prime is 6423215783. The reversal of 6423215760 is 675123246.

6423215760 is a `hidden beast` number, since 64 + 2 + 3 + 21 + 576 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 196112016 + 6227103744 = 14004^2 + 78912^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46116 + ... + 122364.

It is an arithmetic number, because the mean of its divisors is an integer number (120125775).

Almost surely, 2^6423215760 is an apocalyptic number.

6423215760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6423215760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12012577500).

6423215760 is an abundant number, since it is smaller than the sum of its proper divisors (17601939240).

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

6423215760 is a wasteful number, since it uses less digits than its factorization.

6423215760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76287 (or 76272 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 6423215760 is about 80144.9671532779. The cubic root of 6423215760 is about 1858.8777829925.

The spelling of 6423215760 in words is "six billion, four hundred twenty-three million, two hundred fifteen thousand, seven hundred sixty".