2481769280 has 56 divisors (see below), whose sum is σ = 5962098312. Its totient is φ = 983908352.

The previous prime is 2481769271. The next prime is 2481769291. The reversal of 2481769280 is 829671842.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39037504 + 2442731776 = 6248^2 + 49424^2 .

It is a congruent number.

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, 1844 + ... + 70476.

Almost surely, 2^2481769280 is an apocalyptic number.

2481769280 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 2481769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981049156).

2481769280 is an abundant number, since it is smaller than the sum of its proper divisors (3480329032).

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

2481769280 is a wasteful number, since it uses less digits than its factorization.

2481769280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68763 (or 68753 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2481769280 is about 49817.3592234675. The cubic root of 2481769280 is about 1353.9017039349.

The spelling of 2481769280 in words is "two billion, four hundred eighty-one million, seven hundred sixty-nine thousand, two hundred eighty".