2481399580 has 96 divisors (see below), whose sum is σ = 5891719680. Its totient is φ = 870055680.

The previous prime is 2481399553. The next prime is 2481399593. The reversal of 2481399580 is 859931842.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 686137 + ... + 689743.

It is an arithmetic number, because the mean of its divisors is an integer number (61372080).

Almost surely, 2^2481399580 is an apocalyptic number.

2481399580 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 2481399580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945859840).

2481399580 is an abundant number, since it is smaller than the sum of its proper divisors (3410320100).

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

2481399580 is a wasteful number, since it uses less digits than its factorization.

2481399580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 2481399580 is about 49813.6485313011. The cubic root of 2481399580 is about 1353.8344720182.

The spelling of 2481399580 in words is "two billion, four hundred eighty-one million, three hundred ninety-nine thousand, five hundred eighty".