2481289524 has 144 divisors (see below), whose sum is σ = 7545993728. Its totient is φ = 698230368.

The previous prime is 2481289493. The next prime is 2481289529. The reversal of 2481289524 is 4259821842.

2481289524 is a `hidden beast` number, since 2 + 48 + 1 + 2 + 89 + 524 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2481289524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481289529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453147 + ... + 458589.

Almost surely, 2^2481289524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481289524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3772996864).

2481289524 is an abundant number, since it is smaller than the sum of its proper divisors (5064704204).

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

2481289524 is a wasteful number, since it uses less digits than its factorization.

2481289524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 5522 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2481289524 is about 49812.5438418879. The cubic root of 2481289524 is about 1353.8144564578.

The spelling of 2481289524 in words is "two billion, four hundred eighty-one million, two hundred eighty-nine thousand, five hundred twenty-four".