2240818779 has 4 divisors (see below), whose sum is σ = 2987758376. Its totient is φ = 1493879184.

The previous prime is 2240818759. The next prime is 2240818813. The reversal of 2240818779 is 9778180422.

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

It is not a de Polignac number, because 2240818779 - 2¹⁶ = 2240753243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240818759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373469794 + ... + 373469799.

It is an arithmetic number, because the mean of its divisors is an integer number (746939594).

Almost surely, 2^2240818779 is an apocalyptic number.

2240818779 is a deficient number, since it is larger than the sum of its proper divisors (746939597).

2240818779 is an equidigital number, since it uses as much as digits as its factorization.

2240818779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746939596.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 2240818779 is about 47337.2874064410. The cubic root of 2240818779 is about 1308.5859261077.

The spelling of 2240818779 in words is "two billion, two hundred forty million, eight hundred eighteen thousand, seven hundred seventy-nine".