2540220488 has 16 divisors (see below), whose sum is σ = 5129291580. Its totient is φ = 1172409408.

The previous prime is 2540220481. The next prime is 2540220491. The reversal of 2540220488 is 8840220452.

It can be written as a sum of positive squares in 2 ways, for example, as 2491806724 + 48413764 = 49918^2 + 6958^2 .

It is not an unprimeable number, because it can be changed into a prime (2540220481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12212495 + ... + 12212702.

Almost surely, 2^2540220488 is an apocalyptic number.

It is an amenable number.

2540220488 is an abundant number, since it is smaller than the sum of its proper divisors (2589071092).

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

2540220488 is a wasteful number, since it uses less digits than its factorization.

2540220488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24425216 (or 24425212 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 2540220488 is about 50400.6000757927. The cubic root of 2540220488 is about 1364.4484683853.

The spelling of 2540220488 in words is "two billion, five hundred forty million, two hundred twenty thousand, four hundred eighty-eight".