282630589940 has 96 divisors (see below), whose sum is σ = 631191784608. Its totient is φ = 105936896000.

The previous prime is 282630589939. The next prime is 282630589949. The reversal of 282630589940 is 49985036282.

It can be written as a sum of positive squares in 16 ways, for example, as 111787247716 + 170843342224 = 334346^2 + 413332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282630589949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81659810 + ... + 81663270.

It is an arithmetic number, because the mean of its divisors is an integer number (6574914423).

Almost surely, 2^282630589940 is an apocalyptic number.

282630589940 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 282630589940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315595892304).

282630589940 is an abundant number, since it is smaller than the sum of its proper divisors (348561194668).

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

282630589940 is a wasteful number, since it uses less digits than its factorization.

282630589940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 282630589940 in words is "two hundred eighty-two billion, six hundred thirty million, five hundred eighty-nine thousand, nine hundred forty".