282641540 has 24 divisors (see below), whose sum is σ = 614015640. Its totient is φ = 109157888.

The previous prime is 282641533. The next prime is 282641561. The reversal of 282641540 is 45146282.

It can be written as a sum of positive squares in 4 ways, for example, as 12630916 + 270010624 = 3554^2 + 16432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 282641497 and 282641506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243077 + ... + 244236.

It is an arithmetic number, because the mean of its divisors is an integer number (25583985).

Almost surely, 2^282641540 is an apocalyptic number.

282641540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282641540 is an abundant number, since it is smaller than the sum of its proper divisors (331374100).

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

282641540 is a wasteful number, since it uses less digits than its factorization.

282641540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487351 (or 487349 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 282641540 is about 16811.9463477612. The cubic root of 282641540 is about 656.2641243823.

The spelling of 282641540 in words is "two hundred eighty-two million, six hundred forty-one thousand, five hundred forty".