8726434560 has 360 divisors, whose sum is σ = 33068208096. Its totient is φ = 2189721600.

The previous prime is 8726434553. The next prime is 8726434579. The reversal of 8726434560 is 654346278.

8726434560 is a `hidden beast` number, since 87 + 2 + 6 + 4 + 3 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

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, 1760085 + ... + 1765035.

Almost surely, 2^8726434560 is an apocalyptic number.

8726434560 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 8726434560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16534104048).

8726434560 is an abundant number, since it is smaller than the sum of its proper divisors (24341773536).

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

8726434560 is a wasteful number, since it uses less digits than its factorization.

8726434560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 8726434560 is about 93415.3871693524. The cubic root of 8726434560 is about 2058.7910838149.

The spelling of 8726434560 in words is "eight billion, seven hundred twenty-six million, four hundred thirty-four thousand, five hundred sixty".