2672405218 has 12 divisors (see below), whose sum is σ = 4663074582. Its totient is φ = 1145316480.

The previous prime is 2672405201. The next prime is 2672405227. The reversal of 2672405218 is 8125042762.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1580301009 + 1092104209 = 39753^2 + 33047^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13634623 + ... + 13634818.

Almost surely, 2^2672405218 is an apocalyptic number.

2672405218 is a deficient number, since it is larger than the sum of its proper divisors (1990669364).

2672405218 is a wasteful number, since it uses less digits than its factorization.

2672405218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27269457 (or 27269450 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2672405218 is about 51695.3113734698. The cubic root of 2672405218 is about 1387.7165583363.

The spelling of 2672405218 in words is "two billion, six hundred seventy-two million, four hundred five thousand, two hundred eighteen".