8282661840 has 120 divisors (see below), whose sum is σ = 28713305088. Its totient is φ = 2137455360.

The previous prime is 8282661787. The next prime is 8282661847. The reversal of 8282661840 is 481662828.

8282661840 is a `hidden beast` number, since 8 + 2 + 8 + 26 + 618 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8282661847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163224 + ... + 207863.

Almost surely, 2^8282661840 is an apocalyptic number.

8282661840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8282661840 is an abundant number, since it is smaller than the sum of its proper divisors (20430643248).

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

8282661840 is a wasteful number, since it uses less digits than its factorization.

8282661840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371137 (or 371128 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 8282661840 is about 91009.1305309528. The cubic root of 8282661840 is about 2023.2830512821.

The spelling of 8282661840 in words is "eight billion, two hundred eighty-two million, six hundred sixty-one thousand, eight hundred forty".