2445518338 has 4 divisors (see below), whose sum is σ = 3668277510. Its totient is φ = 1222759168.

The previous prime is 2445518321. The next prime is 2445518393. The reversal of 2445518338 is 8338155442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8338155442 = 2 ⋅4169077721.

It can be written as a sum of positive squares in only one way, i.e., 1359618129 + 1085900209 = 36873^2 + 32953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2445518294 and 2445518303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611379583 + ... + 611379586.

Almost surely, 2^2445518338 is an apocalyptic number.

2445518338 is a deficient number, since it is larger than the sum of its proper divisors (1222759172).

2445518338 is a wasteful number, since it uses less digits than its factorization.

2445518338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222759171.

The product of its digits is 460800, while the sum is 43.

The square root of 2445518338 is about 49452.1823380930. The cubic root of 2445518338 is about 1347.2772444304.

The spelling of 2445518338 in words is "two billion, four hundred forty-five million, five hundred eighteen thousand, three hundred thirty-eight".