2687450244 has 12 divisors (see below), whose sum is σ = 6270717264. Its totient is φ = 895816744.

The previous prime is 2687450243. The next prime is 2687450273. The reversal of 2687450244 is 4420547862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2687450196 and 2687450205.

It is not an unprimeable number, because it can be changed into a prime (2687450243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111977082 + ... + 111977105.

It is an arithmetic number, because the mean of its divisors is an integer number (522559772).

Almost surely, 2^2687450244 is an apocalyptic number.

It is an amenable number.

2687450244 is an abundant number, since it is smaller than the sum of its proper divisors (3583267020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687450244 is a wasteful number, since it uses less digits than its factorization.

2687450244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223954194 (or 223954192 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 2687450244 is about 51840.6234916209. The cubic root of 2687450244 is about 1390.3158614865.

The spelling of 2687450244 in words is "two billion, six hundred eighty-seven million, four hundred fifty thousand, two hundred forty-four".