2685518404 has 12 divisors (see below), whose sum is σ = 4707920700. Its totient is φ = 1340398208.

The previous prime is 2685518401. The next prime is 2685518411. The reversal of 2685518404 is 4048155862.

It can be written as a sum of positive squares in 2 ways, for example, as 1768034304 + 917484100 = 42048^2 + 30290^2 .

It is not an unprimeable number, because it can be changed into a prime (2685518401) 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, 587689 + ... + 592240.

It is an arithmetic number, because the mean of its divisors is an integer number (392326725).

Almost surely, 2^2685518404 is an apocalyptic number.

It is an amenable number.

2685518404 is a deficient number, since it is larger than the sum of its proper divisors (2022402296).

2685518404 is a wasteful number, since it uses less digits than its factorization.

2685518404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180502 (or 1180500 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 2685518404 is about 51821.9876500313. The cubic root of 2685518404 is about 1389.9826445739.

The spelling of 2685518404 in words is "two billion, six hundred eighty-five million, five hundred eighteen thousand, four hundred four".