2440820969 has 4 divisors (see below), whose sum is σ = 2441227140. Its totient is φ = 2440414800.

The previous prime is 2440820939. The next prime is 2440820983. The reversal of 2440820969 is 9690280442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 824378944 + 1616442025 = 28712^2 + 40205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2440820969 is a prime.

It is a super-2 number, since 2×2440820969² = 11915214005420197922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440820939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193934 + ... + 206135.

It is an arithmetic number, because the mean of its divisors is an integer number (610306785).

Almost surely, 2^2440820969 is an apocalyptic number.

It is an amenable number.

2440820969 is a deficient number, since it is larger than the sum of its proper divisors (406171).

2440820969 is an equidigital number, since it uses as much as digits as its factorization.

2440820969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406170.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2440820969 is about 49404.6654578290. The cubic root of 2440820969 is about 1346.4140716301.

The spelling of 2440820969 in words is "two billion, four hundred forty million, eight hundred twenty thousand, nine hundred sixty-nine".