2663120440 has 32 divisors (see below), whose sum is σ = 6005004480. Its totient is φ = 1062940032.

The previous prime is 2663120407. The next prime is 2663120459. The reversal of 2663120440 is 440213662.

It is a junction number, because it is equal to n+sod(n) for n = 2663120399 and 2663120408.

It is a congruent number.

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, 53379 + ... + 90418.

It is an arithmetic number, because the mean of its divisors is an integer number (187656390).

Almost surely, 2^2663120440 is an apocalyptic number.

2663120440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663120440 is an abundant number, since it is smaller than the sum of its proper divisors (3341884040).

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

2663120440 is a wasteful number, since it uses less digits than its factorization.

2663120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144271 (or 144267 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2663120440 is about 51605.4303344135. The cubic root of 2663120440 is about 1386.1075719546.

The spelling of 2663120440 in words is "two billion, six hundred sixty-three million, one hundred twenty thousand, four hundred forty".