2487491580 has 96 divisors (see below), whose sum is σ = 8078870016. Its totient is φ = 560077056.

The previous prime is 2487491569. The next prime is 2487491581. The reversal of 2487491580 is 851947842.

It is a happy number.

It is a super-2 number, since 2×2487491580² = 12375228721141792800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487491581) 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, 16059 + ... + 72338.

It is an arithmetic number, because the mean of its divisors is an integer number (84154896).

Almost surely, 2^2487491580 is an apocalyptic number.

2487491580 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 2487491580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4039435008).

2487491580 is an abundant number, since it is smaller than the sum of its proper divisors (5591378436).

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

2487491580 is a wasteful number, since it uses less digits than its factorization.

2487491580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88483 (or 88481 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2487491580 is about 49874.7589467859. The cubic root of 2487491580 is about 1354.9414842901.

The spelling of 2487491580 in words is "two billion, four hundred eighty-seven million, four hundred ninety-one thousand, five hundred eighty".