2440281840 has 80 divisors (see below), whose sum is σ = 7574515200. Its totient is φ = 649912576.

The previous prime is 2440281827. The next prime is 2440281889. The reversal of 2440281840 is 481820442.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195301 + ... + 207419.

It is an arithmetic number, because the mean of its divisors is an integer number (94681440).

Almost surely, 2^2440281840 is an apocalyptic number.

2440281840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440281840 is an abundant number, since it is smaller than the sum of its proper divisors (5134233360).

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

2440281840 is a wasteful number, since it uses less digits than its factorization.

2440281840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974 (or 12968 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 2440281840 is about 49399.2089005482. The cubic root of 2440281840 is about 1346.3149322650.

The spelling of 2440281840 in words is "two billion, four hundred forty million, two hundred eighty-one thousand, eight hundred forty".