2409642240 has 72 divisors (see below), whose sum is σ = 7695807168. Its totient is φ = 642570240.

The previous prime is 2409642199. The next prime is 2409642241. The reversal of 2409642240 is 422469042.

It is not an unprimeable number, because it can be changed into a prime (2409642241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309916 + ... + 317595.

Almost surely, 2^2409642240 is an apocalyptic number.

2409642240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2409642240 is an abundant number, since it is smaller than the sum of its proper divisors (5286164928).

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

2409642240 is an equidigital number, since it uses as much as digits as its factorization.

2409642240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627535 (or 627521 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2409642240 is about 49088.1069099227. The cubic root of 2409642240 is about 1340.6565135251.

The spelling of 2409642240 in words is "two billion, four hundred nine million, six hundred forty-two thousand, two hundred forty".