2694220418 has 30 divisors (see below), whose sum is σ = 4327987311. Its totient is φ = 1257885216.

The previous prime is 2694220393. The next prime is 2694220423. The reversal of 2694220418 is 8140224962.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2593559329 + 100661089 = 50927^2 + 10033^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36703.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 21214271 + ... + 21214397.

Almost surely, 2^2694220418 is an apocalyptic number.

2694220418 is a deficient number, since it is larger than the sum of its proper divisors (1633766893).

2694220418 is an frugal number, since it uses more digits than its factorization.

2694220418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2694220418 is about 51905.8803797797. The cubic root of 2694220418 is about 1391.4823683244.

The spelling of 2694220418 in words is "two billion, six hundred ninety-four million, two hundred twenty thousand, four hundred eighteen".