2404172641 has 4 divisors (see below), whose sum is σ = 2589109012. Its totient is φ = 2219236272.

The previous prime is 2404172599. The next prime is 2404172711. The reversal of 2404172641 is 1462714042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1462714042 = 2 ⋅731357021.

It can be written as a sum of positive squares in 2 ways, for example, as 1129968225 + 1274204416 = 33615^2 + 35696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404172641 - 2¹⁵ = 2404139873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2404172741) 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, 92468166 + ... + 92468191.

It is an arithmetic number, because the mean of its divisors is an integer number (647277253).

Almost surely, 2^2404172641 is an apocalyptic number.

It is an amenable number.

2404172641 is a deficient number, since it is larger than the sum of its proper divisors (184936371).

2404172641 is a wasteful number, since it uses less digits than its factorization.

2404172641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184936370.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2404172641 is about 49032.3632002375. The cubic root of 2404172641 is about 1339.6413685319.

Adding to 2404172641 its reverse (1462714042), we get a palindrome (3866886683).

The spelling of 2404172641 in words is "two billion, four hundred four million, one hundred seventy-two thousand, six hundred forty-one".