2440638579 has 16 divisors (see below), whose sum is σ = 3372203520. Its totient is φ = 1568276640.

The previous prime is 2440638539. The next prime is 2440638593. The reversal of 2440638579 is 9758360442.

It is not a de Polignac number, because 2440638579 - 2⁷ = 2440638451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2440638509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27174 + ... + 74964.

It is an arithmetic number, because the mean of its divisors is an integer number (210762720).

Almost surely, 2^2440638579 is an apocalyptic number.

2440638579 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2440638579 is a deficient number, since it is larger than the sum of its proper divisors (931564941).

2440638579 is a wasteful number, since it uses less digits than its factorization.

2440638579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48410.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2440638579 is about 49402.8195450422. The cubic root of 2440638579 is about 1346.3805339281.

The spelling of 2440638579 in words is "two billion, four hundred forty million, six hundred thirty-eight thousand, five hundred seventy-nine".