2505448446 has 32 divisors (see below), whose sum is σ = 5194506240. Its totient is φ = 804668256.

The previous prime is 2505448441. The next prime is 2505448469. The reversal of 2505448446 is 6448445052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2505448398 and 2505448407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505448441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69955 + ... + 99521.

It is an arithmetic number, because the mean of its divisors is an integer number (162328320).

Almost surely, 2^2505448446 is an apocalyptic number.

2505448446 is an abundant number, since it is smaller than the sum of its proper divisors (2689057794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505448446 is a wasteful number, since it uses less digits than its factorization.

2505448446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30088.

The product of its (nonzero) digits is 614400, while the sum is 42.

The square root of 2505448446 is about 50054.4548067402. The cubic root of 2505448446 is about 1358.1940500925.

The spelling of 2505448446 in words is "two billion, five hundred five million, four hundred forty-eight thousand, four hundred forty-six".