2605449272 has 16 divisors (see below), whose sum is σ = 4932648240. Its totient is φ = 1290076416.

The previous prime is 2605449229. The next prime is 2605449289. The reversal of 2605449272 is 2729445062.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1580153 + ... + 1581800.

It is an arithmetic number, because the mean of its divisors is an integer number (308290515).

Almost surely, 2^2605449272 is an apocalyptic number.

It is an amenable number.

2605449272 is a deficient number, since it is larger than the sum of its proper divisors (2327198968).

2605449272 is a wasteful number, since it uses less digits than its factorization.

2605449272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162062 (or 3162058 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2605449272 is about 51043.6016754304. The cubic root of 2605449272 is about 1376.0288536743.

The spelling of 2605449272 in words is "two billion, six hundred five million, four hundred forty-nine thousand, two hundred seventy-two".