8545040064 has 168 divisors, whose sum is σ = 27158685840. Its totient is φ = 2546841600.

The previous prime is 8545040059. The next prime is 8545040081. The reversal of 8545040064 is 4600405458.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 375442 + ... + 397550.

Almost surely, 2^8545040064 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 8545040064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13579342920).

8545040064 is an abundant number, since it is smaller than the sum of its proper divisors (18613645776).

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

8545040064 is a wasteful number, since it uses less digits than its factorization.

8545040064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199 (or 22186 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 8545040064 is about 92439.3858915127. The cubic root of 8545040064 is about 2044.4258695995.

The spelling of 8545040064 in words is "eight billion, five hundred forty-five million, forty thousand, sixty-four".