8407618560 has 880 divisors, whose sum is σ = 34953589440. Its totient is φ = 1911029760.

The previous prime is 8407618553. The next prime is 8407618601. The reversal of 8407618560 is 658167048.

It is a happy number.

8407618560 is a `hidden beast` number, since 8 + 4 + 0 + 76 + 18 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (880).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 86676432 + ... + 86676528.

It is an arithmetic number, because the mean of its divisors is an integer number (39719988).

Almost surely, 2^8407618560 is an apocalyptic number.

8407618560 is a gapful number since it is divisible by the number (80) 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 8407618560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17476794720).

8407618560 is an abundant number, since it is smaller than the sum of its proper divisors (26545970880).

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

8407618560 is a wasteful number, since it uses less digits than its factorization.

8407618560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 8407618560 is about 91693.0671315994. The cubic root of 8407618560 is about 2033.4070895638.

The spelling of 8407618560 in words is "eight billion, four hundred seven million, six hundred eighteen thousand, five hundred sixty".