2640481080 has 32 divisors (see below), whose sum is σ = 7921443600. Its totient is φ = 704128256.

The previous prime is 2640481043. The next prime is 2640481087. The reversal of 2640481080 is 801840462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640481087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11001885 + ... + 11002124.

Almost surely, 2^2640481080 is an apocalyptic number.

2640481080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640481080 is an abundant number, since it is smaller than the sum of its proper divisors (5280962520).

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

2640481080 is a wasteful number, since it uses less digits than its factorization.

2640481080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004023 (or 22004019 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2640481080 is about 51385.6116048063. The cubic root of 2640481080 is about 1382.1685920753.

The spelling of 2640481080 in words is "two billion, six hundred forty million, four hundred eighty-one thousand, eighty".