282240348520 has 64 divisors (see below), whose sum is σ = 686224541520. Its totient is φ = 103856093184.

The previous prime is 282240348517. The next prime is 282240348521. The reversal of 282240348520 is 25843042282.

It can be written as a sum of positive squares in 8 ways, for example, as 201685420836 + 80554927684 = 449094^2 + 283822^2 .

It is a super-2 number, since 2×282240348520² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (282240348521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773869 + ... + 1078588.

Almost surely, 2^282240348520 is an apocalyptic number.

282240348520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282240348520 is an abundant number, since it is smaller than the sum of its proper divisors (403984193000).

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

282240348520 is a wasteful number, since it uses less digits than its factorization.

282240348520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852774 (or 1852770 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 282240348520 in words is "two hundred eighty-two billion, two hundred forty million, three hundred forty-eight thousand, five hundred twenty".