806247537480 has 2304 divisors, whose sum is σ = 3746693283840. Its totient is φ = 145616486400.

The previous prime is 806247537397. The next prime is 806247537481. The reversal of 806247537480 is 84735742608.

806247537480 is a `hidden beast` number, since 8 + 0 + 6 + 24 + 7 + 537 + 4 + 80 = 666.

It is not an unprimeable number, because it can be changed into a prime (806247537481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 7134933904 + ... + 7134934016.

It is an arithmetic number, because the mean of its divisors is an integer number (1626168960).

Almost surely, 2^806247537480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806247537480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873346641920).

806247537480 is an abundant number, since it is smaller than the sum of its proper divisors (2940445746360).

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

806247537480 is a wasteful number, since it uses less digits than its factorization.

806247537480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 806247537480 in words is "eight hundred six billion, two hundred forty-seven million, five hundred thirty-seven thousand, four hundred eighty".