2520581120 has 88 divisors (see below), whose sum is σ = 6069420504. Its totient is φ = 1004404736.

The previous prime is 2520581113. The next prime is 2520581159. The reversal of 2520581120 is 211850252.

It can be written as a sum of positive squares in 4 ways, for example, as 82591744 + 2437989376 = 9088^2 + 49376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2520581120.

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, 1622264 + ... + 1623816.

Almost surely, 2^2520581120 is an apocalyptic number.

2520581120 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 2520581120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034710252).

2520581120 is an abundant number, since it is smaller than the sum of its proper divisors (3548839384).

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

2520581120 is a wasteful number, since it uses less digits than its factorization.

2520581120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 2520581120 is about 50205.3893521403. The cubic root of 2520581120 is about 1360.9230181673.

The spelling of 2520581120 in words is "two billion, five hundred twenty million, five hundred eighty-one thousand, one hundred twenty".