2440565855 has 32 divisors (see below), whose sum is σ = 3616255104. Its totient is φ = 1539772416.

The previous prime is 2440565779. The next prime is 2440565863. The reversal of 2440565855 is 5585650442.

It is a happy number.

It is not a de Polignac number, because 2440565855 - 2¹² = 2440561759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133847 + ... + 150983.

It is an arithmetic number, because the mean of its divisors is an integer number (113007972).

Almost surely, 2^2440565855 is an apocalyptic number.

2440565855 is a deficient number, since it is larger than the sum of its proper divisors (1175689249).

2440565855 is a wasteful number, since it uses less digits than its factorization.

2440565855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 960000, while the sum is 44.

The square root of 2440565855 is about 49402.0835086942. The cubic root of 2440565855 is about 1346.3671610412.

The spelling of 2440565855 in words is "two billion, four hundred forty million, five hundred sixty-five thousand, eight hundred fifty-five".