64280885760 has 1920 divisors, whose sum is σ = 301996670976. Its totient is φ = 12262440960.

The previous prime is 64280885689. The next prime is 64280885771. The reversal of 64280885760 is 6758808246.

64280885760 is a `hidden beast` number, since 64 + 2 + 8 + 0 + 8 + 8 + 576 + 0 = 666.

64280885760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a junction number, because it is equal to n+sod(n) for n = 64280885697 and 64280885706.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1494904299 + ... + 1494904341.

Almost surely, 2^64280885760 is an apocalyptic number.

64280885760 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 64280885760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150998335488).

64280885760 is an abundant number, since it is smaller than the sum of its proper divisors (237715785216).

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

64280885760 is a wasteful number, since it uses less digits than its factorization.

64280885760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 64280885760 in words is "sixty-four billion, two hundred eighty million, eight hundred eighty-five thousand, seven hundred sixty".