2478408241 has 4 divisors (see below), whose sum is σ = 2608850800. Its totient is φ = 2347965684.

The previous prime is 2478408239. The next prime is 2478408253. The reversal of 2478408241 is 1428048742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1428048742 = 2 ⋅714024371.

It is a cyclic number.

It is not a de Polignac number, because 2478408241 - 2¹ = 2478408239 is a prime.

It is a super-2 number, since 2×2478408241² = 12285014818113428162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478408194 and 2478408203.

It is not an unprimeable number, because it can be changed into a prime (2478408271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65221251 + ... + 65221288.

It is an arithmetic number, because the mean of its divisors is an integer number (652212700).

Almost surely, 2^2478408241 is an apocalyptic number.

It is an amenable number.

2478408241 is a deficient number, since it is larger than the sum of its proper divisors (130442559).

2478408241 is a wasteful number, since it uses less digits than its factorization.

2478408241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130442558.

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 2478408241 is about 49783.6141817767. The cubic root of 2478408241 is about 1353.2902353005.

The spelling of 2478408241 in words is "two billion, four hundred seventy-eight million, four hundred eight thousand, two hundred forty-one".