2548400845 has 8 divisors (see below), whose sum is σ = 3060900864. Its totient is φ = 2036840784.

The previous prime is 2548400807. The next prime is 2548400867. The reversal of 2548400845 is 5480048452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2548400845 - 2⁹ = 2548400333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2548400798 and 2548400807.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 229009 + ... + 239878.

It is an arithmetic number, because the mean of its divisors is an integer number (382612608).

Almost surely, 2^2548400845 is an apocalyptic number.

It is an amenable number.

2548400845 is a deficient number, since it is larger than the sum of its proper divisors (512500019).

2548400845 is a wasteful number, since it uses less digits than its factorization.

2548400845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469979.

The product of its (nonzero) digits is 204800, while the sum is 40.

The square root of 2548400845 is about 50481.6882146388. The cubic root of 2548400845 is about 1365.9115586410.

The spelling of 2548400845 in words is "two billion, five hundred forty-eight million, four hundred thousand, eight hundred forty-five".