2439942245 has 32 divisors (see below), whose sum is σ = 3247157760. Its totient is φ = 1748355840.

The previous prime is 2439942179. The next prime is 2439942251. The reversal of 2439942245 is 5422499342.

It is not a de Polignac number, because 2439942245 - 2²⁶ = 2372833381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2439942196 and 2439942205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054640 + ... + 1056950.

It is an arithmetic number, because the mean of its divisors is an integer number (101473680).

Almost surely, 2^2439942245 is an apocalyptic number.

It is an amenable number.

2439942245 is a deficient number, since it is larger than the sum of its proper divisors (807215515).

2439942245 is a wasteful number, since it uses less digits than its factorization.

2439942245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805.

The product of its digits is 622080, while the sum is 44.

The square root of 2439942245 is about 49395.7715295550. The cubic root of 2439942245 is about 1346.2524773166.

The spelling of 2439942245 in words is "two billion, four hundred thirty-nine million, nine hundred forty-two thousand, two hundred forty-five".