2440278468 has 72 divisors (see below), whose sum is σ = 6436688160. Its totient is φ = 799516080.

The previous prime is 2440278443. The next prime is 2440278497. The reversal of 2440278468 is 8648720442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372703 + ... + 379193.

Almost surely, 2^2440278468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440278468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3218344080).

2440278468 is an abundant number, since it is smaller than the sum of its proper divisors (3996409692).

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

2440278468 is a wasteful number, since it uses less digits than its factorization.

2440278468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622 (or 6555 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 2440278468 is about 49399.1747704352. The cubic root of 2440278468 is about 1346.3143121487.

The spelling of 2440278468 in words is "two billion, four hundred forty million, two hundred seventy-eight thousand, four hundred sixty-eight".