2581241180 has 48 divisors (see below), whose sum is σ = 6219170496. Its totient is φ = 881541120.

The previous prime is 2581241177. The next prime is 2581241183. The reversal of 2581241180 is 811421852.

It is an interprime number because it is at equal distance from previous prime (2581241177) and next prime (2581241183).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581241183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110 + ... + 71850.

It is an arithmetic number, because the mean of its divisors is an integer number (129566052).

Almost surely, 2^2581241180 is an apocalyptic number.

2581241180 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 2581241180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109585248).

2581241180 is an abundant number, since it is smaller than the sum of its proper divisors (3637929316).

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

2581241180 is a wasteful number, since it uses less digits than its factorization.

2581241180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72014 (or 72012 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 2581241180 is about 50805.9167814143. The cubic root of 2581241180 is about 1371.7538728679.

The spelling of 2581241180 in words is "two billion, five hundred eighty-one million, two hundred forty-one thousand, one hundred eighty".