282550705920 has 720 divisors, whose sum is σ = 1223470277568. Its totient is φ = 60781363200.

The previous prime is 282550705919. The next prime is 282550705933. The reversal of 282550705920 is 29507055282.

282550705920 is a `hidden beast` number, since 2 + 8 + 2 + 5 + 50 + 7 + 0 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12326470 + ... + 12349370.

Almost surely, 2^282550705920 is an apocalyptic number.

282550705920 is a gapful number since it is divisible by the number (20) 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 282550705920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611735138784).

282550705920 is an abundant number, since it is smaller than the sum of its proper divisors (940919571648).

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

282550705920 is a wasteful number, since it uses less digits than its factorization.

282550705920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22958 (or 22935 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 282550705920 in words is "two hundred eighty-two billion, five hundred fifty million, seven hundred five thousand, nine hundred twenty".